./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN --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 b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:31:55,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:55,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:55,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:55,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:55,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:55,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:55,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:55,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:55,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:55,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:55,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:55,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:55,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:55,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:55,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:55,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:56,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:56,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:56,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:56,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:56,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:56,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:56,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:56,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:56,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:56,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:56,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:56,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:56,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:56,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:56,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:56,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:56,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:56,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:56,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:56,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:56,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:56,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:56,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:56,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:56,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:31:56,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:56,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:56,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:56,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:56,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:56,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:56,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:56,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:56,081 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:56,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:56,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:56,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:56,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:56,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:56,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:56,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:56,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:56,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:56,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:56,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:56,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:56,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:56,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:56,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:56,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:56,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:56,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:56,086 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:56,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:56,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:56,088 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_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 [2022-11-20 10:31:56,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:56,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:56,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:56,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:56,398 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:56,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2022-11-20 10:31:59,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:32:00,001 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:32:00,022 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2022-11-20 10:32:00,128 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/eae562e5e/734c05a58fdd41738aa510a184213f13/FLAG45e39912e [2022-11-20 10:32:00,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/eae562e5e/734c05a58fdd41738aa510a184213f13 [2022-11-20 10:32:00,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:32:00,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:32:00,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:32:00,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:32:00,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:32:00,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:00" (1/1) ... [2022-11-20 10:32:00,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750f1983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:00, skipping insertion in model container [2022-11-20 10:32:00,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:00" (1/1) ... [2022-11-20 10:32:00,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:32:00,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:32:00,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2022-11-20 10:32:00,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2022-11-20 10:32:01,961 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,972 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,990 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,993 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,996 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:01,999 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:02,000 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:02,001 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:02,002 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:02,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:32:02,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:32:02,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:32:02,610 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:32:02,613 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:32:02,614 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:32:02,614 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:32:02,615 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:32:02,616 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:32:02,618 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:32:02,852 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:32:03,179 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,180 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,208 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,211 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,220 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,221 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,243 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,247 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,248 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,250 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,251 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,251 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,252 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:32:03,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:32:03,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2022-11-20 10:32:03,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2022-11-20 10:32:03,472 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,476 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,477 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,480 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,490 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,494 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,498 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,500 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,501 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,501 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,502 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,502 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:32:03,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:32:03,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:32:03,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:32:03,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:32:03,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:32:03,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:32:03,537 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:32:03,537 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:32:03,538 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:32:03,572 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:32:03,692 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,693 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,701 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,702 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,705 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,705 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,721 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,721 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,722 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,722 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,724 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,724 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:32:03,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:32:04,126 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:32:04,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04 WrapperNode [2022-11-20 10:32:04,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:32:04,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:32:04,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:32:04,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:32:04,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,321 INFO L138 Inliner]: procedures = 774, calls = 2454, calls flagged for inlining = 69, calls inlined = 20, statements flattened = 837 [2022-11-20 10:32:04,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:32:04,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:32:04,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:32:04,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:32:04,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,471 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:32:04,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:32:04,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:32:04,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:32:04,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (1/1) ... [2022-11-20 10:32:04,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:32:04,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:04,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:32:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:32:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 10:32:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:32:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 10:32:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 10:32:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 10:32:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 10:32:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-20 10:32:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-20 10:32:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:32:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:32:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:32:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:32:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:32:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 10:32:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 10:32:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 10:32:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 10:32:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:32:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-20 10:32:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-20 10:32:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:32:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 10:32:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 10:32:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2022-11-20 10:32:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2022-11-20 10:32:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:32:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2022-11-20 10:32:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2022-11-20 10:32:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-20 10:32:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-20 10:32:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2022-11-20 10:32:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2022-11-20 10:32:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2022-11-20 10:32:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2022-11-20 10:32:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:32:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-20 10:32:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-20 10:32:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2022-11-20 10:32:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2022-11-20 10:32:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2022-11-20 10:32:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2022-11-20 10:32:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2022-11-20 10:32:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2022-11-20 10:32:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:32:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:32:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-20 10:32:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-20 10:32:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:32:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 10:32:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 10:32:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-20 10:32:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-20 10:32:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2022-11-20 10:32:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2022-11-20 10:32:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 10:32:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 10:32:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:32:05,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:32:05,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:32:05,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-20 10:32:05,280 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-20 10:32:05,625 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !true; [2022-11-20 10:32:06,532 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:32:06,548 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:32:06,548 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-20 10:32:06,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:06 BoogieIcfgContainer [2022-11-20 10:32:06,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:32:06,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:32:06,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:32:06,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:32:06,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:32:00" (1/3) ... [2022-11-20 10:32:06,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3241f63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:06, skipping insertion in model container [2022-11-20 10:32:06,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:04" (2/3) ... [2022-11-20 10:32:06,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3241f63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:06, skipping insertion in model container [2022-11-20 10:32:06,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:06" (3/3) ... [2022-11-20 10:32:06,562 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2022-11-20 10:32:06,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:32:06,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:32:06,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:06,668 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;@787f09e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:06,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:32:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 157 states have (on average 1.2101910828025477) internal successors, (190), 155 states have internal predecessors, (190), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-11-20 10:32:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 10:32:06,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:06,701 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:06,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:06,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2109277801, now seen corresponding path program 1 times [2022-11-20 10:32:06,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:06,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906539951] [2022-11-20 10:32:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:06,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:07,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:07,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906539951] [2022-11-20 10:32:07,355 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-20 10:32:07,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680051092] [2022-11-20 10:32:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:07,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:07,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:07,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:07,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:32:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:08,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 10:32:08,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-20 10:32:08,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:08,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680051092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:08,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:08,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:08,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768514047] [2022-11-20 10:32:08,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:08,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:32:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:08,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:32:08,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:32:08,265 INFO L87 Difference]: Start difference. First operand has 246 states, 157 states have (on average 1.2101910828025477) internal successors, (190), 155 states have internal predecessors, (190), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 10:32:08,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:08,368 INFO L93 Difference]: Finished difference Result 486 states and 686 transitions. [2022-11-20 10:32:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:32:08,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 182 [2022-11-20 10:32:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:08,388 INFO L225 Difference]: With dead ends: 486 [2022-11-20 10:32:08,388 INFO L226 Difference]: Without dead ends: 239 [2022-11-20 10:32:08,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:32:08,412 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:08,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:32:08,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-20 10:32:08,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-11-20 10:32:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 148 states have (on average 1.195945945945946) internal successors, (177), 149 states have internal predecessors, (177), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-20 10:32:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 312 transitions. [2022-11-20 10:32:08,502 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 312 transitions. Word has length 182 [2022-11-20 10:32:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:08,503 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 312 transitions. [2022-11-20 10:32:08,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 10:32:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 312 transitions. [2022-11-20 10:32:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 10:32:08,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:08,509 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:08,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:08,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 10:32:08,720 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:08,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1716640621, now seen corresponding path program 1 times [2022-11-20 10:32:08,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:08,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814413334] [2022-11-20 10:32:08,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:08,910 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:32:08,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117840227] [2022-11-20 10:32:08,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:08,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:08,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:08,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:08,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:32:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:09,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:32:09,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-20 10:32:09,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:09,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:09,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814413334] [2022-11-20 10:32:09,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:32:09,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117840227] [2022-11-20 10:32:09,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117840227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:09,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:09,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:32:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639510221] [2022-11-20 10:32:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:09,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:32:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:32:09,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:09,823 INFO L87 Difference]: Start difference. First operand 239 states and 312 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:32:10,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:10,098 INFO L93 Difference]: Finished difference Result 464 states and 608 transitions. [2022-11-20 10:32:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:32:10,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 182 [2022-11-20 10:32:10,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:10,103 INFO L225 Difference]: With dead ends: 464 [2022-11-20 10:32:10,103 INFO L226 Difference]: Without dead ends: 246 [2022-11-20 10:32:10,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:32:10,105 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 325 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:10,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1037 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:32:10,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-20 10:32:10,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-11-20 10:32:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 153 states have (on average 1.196078431372549) internal successors, (183), 155 states have internal predecessors, (183), 69 states have call successors, (69), 22 states have call predecessors, (69), 23 states have return successors, (70), 68 states have call predecessors, (70), 68 states have call successors, (70) [2022-11-20 10:32:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 322 transitions. [2022-11-20 10:32:10,130 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 322 transitions. Word has length 182 [2022-11-20 10:32:10,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:10,131 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 322 transitions. [2022-11-20 10:32:10,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:32:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 322 transitions. [2022-11-20 10:32:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 10:32:10,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:10,136 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:10,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:10,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:10,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:10,346 INFO L85 PathProgramCache]: Analyzing trace with hash 421077933, now seen corresponding path program 1 times [2022-11-20 10:32:10,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:10,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672081221] [2022-11-20 10:32:10,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:10,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:32:10,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216553423] [2022-11-20 10:32:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:10,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:10,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:10,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:10,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:32:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:11,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:32:11,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-11-20 10:32:11,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:11,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:11,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672081221] [2022-11-20 10:32:11,394 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:32:11,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216553423] [2022-11-20 10:32:11,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216553423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:11,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:11,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:32:11,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543728740] [2022-11-20 10:32:11,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:11,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:32:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:11,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:32:11,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:32:11,397 INFO L87 Difference]: Start difference. First operand 246 states and 322 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 10:32:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:11,798 INFO L93 Difference]: Finished difference Result 404 states and 531 transitions. [2022-11-20 10:32:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:32:11,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 182 [2022-11-20 10:32:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:11,802 INFO L225 Difference]: With dead ends: 404 [2022-11-20 10:32:11,802 INFO L226 Difference]: Without dead ends: 239 [2022-11-20 10:32:11,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:32:11,804 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 322 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:11,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1509 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:32:11,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-20 10:32:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-11-20 10:32:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 148 states have (on average 1.1891891891891893) internal successors, (176), 149 states have internal predecessors, (176), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-20 10:32:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 311 transitions. [2022-11-20 10:32:11,825 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 311 transitions. Word has length 182 [2022-11-20 10:32:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:11,826 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 311 transitions. [2022-11-20 10:32:11,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 10:32:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 311 transitions. [2022-11-20 10:32:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 10:32:11,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:11,830 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:12,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:12,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:12,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:12,041 INFO L85 PathProgramCache]: Analyzing trace with hash -238453589, now seen corresponding path program 1 times [2022-11-20 10:32:12,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:12,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722089559] [2022-11-20 10:32:12,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:12,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:12,142 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:32:12,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345354679] [2022-11-20 10:32:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:12,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:12,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:12,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:32:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:12,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 10:32:12,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-11-20 10:32:12,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:12,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:12,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722089559] [2022-11-20 10:32:12,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:32:12,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345354679] [2022-11-20 10:32:12,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345354679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:12,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:12,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:32:12,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985963573] [2022-11-20 10:32:12,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:12,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:32:12,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:12,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:32:12,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:32:12,885 INFO L87 Difference]: Start difference. First operand 239 states and 311 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 10:32:12,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:12,930 INFO L93 Difference]: Finished difference Result 474 states and 616 transitions. [2022-11-20 10:32:12,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:32:12,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 182 [2022-11-20 10:32:12,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:12,933 INFO L225 Difference]: With dead ends: 474 [2022-11-20 10:32:12,933 INFO L226 Difference]: Without dead ends: 244 [2022-11-20 10:32:12,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:12,935 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 2 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:12,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1227 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:32:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-20 10:32:12,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-11-20 10:32:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 153 states have internal predecessors, (180), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2022-11-20 10:32:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 316 transitions. [2022-11-20 10:32:12,957 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 316 transitions. Word has length 182 [2022-11-20 10:32:12,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:12,957 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 316 transitions. [2022-11-20 10:32:12,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 10:32:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 316 transitions. [2022-11-20 10:32:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-20 10:32:12,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:12,965 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:12,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:13,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:13,176 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:13,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:13,176 INFO L85 PathProgramCache]: Analyzing trace with hash -168770197, now seen corresponding path program 1 times [2022-11-20 10:32:13,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:13,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873051976] [2022-11-20 10:32:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:32:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:32:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 10:32:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:32:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:32:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 10:32:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-20 10:32:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 10:32:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 10:32:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 10:32:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-20 10:32:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-20 10:32:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:32:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 10:32:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-20 10:32:15,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:15,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873051976] [2022-11-20 10:32:15,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873051976] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:15,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006913437] [2022-11-20 10:32:15,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:15,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:15,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:15,845 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:15,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:32:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:16,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 10:32:16,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:16,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 10:32:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-20 10:32:17,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:17,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006913437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:17,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:17,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2022-11-20 10:32:17,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70001538] [2022-11-20 10:32:17,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:32:17,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:32:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-11-20 10:32:17,098 INFO L87 Difference]: Start difference. First operand 244 states and 316 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:32:17,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:17,427 INFO L93 Difference]: Finished difference Result 474 states and 611 transitions. [2022-11-20 10:32:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:32:17,428 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 194 [2022-11-20 10:32:17,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:17,430 INFO L225 Difference]: With dead ends: 474 [2022-11-20 10:32:17,430 INFO L226 Difference]: Without dead ends: 248 [2022-11-20 10:32:17,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2022-11-20 10:32:17,433 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 38 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 145 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:17,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1900 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 145 Unchecked, 0.2s Time] [2022-11-20 10:32:17,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-20 10:32:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-20 10:32:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 156 states have (on average 1.1794871794871795) internal successors, (184), 156 states have internal predecessors, (184), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2022-11-20 10:32:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 320 transitions. [2022-11-20 10:32:17,452 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 320 transitions. Word has length 194 [2022-11-20 10:32:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:17,453 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 320 transitions. [2022-11-20 10:32:17,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:32:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 320 transitions. [2022-11-20 10:32:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-20 10:32:17,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:17,457 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:17,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:17,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:17,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:17,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:17,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1760895517, now seen corresponding path program 1 times [2022-11-20 10:32:17,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:17,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248146560] [2022-11-20 10:32:17,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:32:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 10:32:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:32:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:32:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 10:32:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-20 10:32:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:32:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 10:32:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 10:32:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 10:32:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-20 10:32:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 10:32:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 10:32:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 10:32:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-20 10:32:19,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:19,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248146560] [2022-11-20 10:32:19,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248146560] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:19,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079504693] [2022-11-20 10:32:19,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:19,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:19,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:19,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:32:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 2730 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 10:32:19,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:22,144 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2022-11-20 10:32:30,220 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 10:32:38,289 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 10:32:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-11-20 10:32:38,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:38,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079504693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:38,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:38,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-11-20 10:32:38,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834022348] [2022-11-20 10:32:38,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:38,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:32:38,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:38,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:32:38,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2022-11-20 10:32:38,321 INFO L87 Difference]: Start difference. First operand 248 states and 320 transitions. Second operand has 8 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:32:38,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:38,608 INFO L93 Difference]: Finished difference Result 476 states and 619 transitions. [2022-11-20 10:32:38,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:32:38,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) Word has length 200 [2022-11-20 10:32:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:38,611 INFO L225 Difference]: With dead ends: 476 [2022-11-20 10:32:38,611 INFO L226 Difference]: Without dead ends: 251 [2022-11-20 10:32:38,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2022-11-20 10:32:38,613 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 5 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 432 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:38,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1671 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 432 Unchecked, 0.1s Time] [2022-11-20 10:32:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-20 10:32:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 250. [2022-11-20 10:32:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 158 states have (on average 1.1772151898734178) internal successors, (186), 157 states have internal predecessors, (186), 68 states have call successors, (68), 24 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2022-11-20 10:32:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 322 transitions. [2022-11-20 10:32:38,630 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 322 transitions. Word has length 200 [2022-11-20 10:32:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:38,630 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 322 transitions. [2022-11-20 10:32:38,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:32:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 322 transitions. [2022-11-20 10:32:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-20 10:32:38,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:38,634 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:38,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:38,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:38,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:38,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:38,857 INFO L85 PathProgramCache]: Analyzing trace with hash -661330404, now seen corresponding path program 1 times [2022-11-20 10:32:38,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:38,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936967063] [2022-11-20 10:32:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:32:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:32:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:32:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:32:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:32:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:32:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:32:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:32:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:32:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 10:32:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 10:32:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 10:32:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 10:32:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-11-20 10:32:40,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:40,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936967063] [2022-11-20 10:32:40,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936967063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:40,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:40,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:32:40,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870653392] [2022-11-20 10:32:40,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:40,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:32:40,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:32:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:32:40,212 INFO L87 Difference]: Start difference. First operand 250 states and 322 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (32), 5 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-20 10:32:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:41,687 INFO L93 Difference]: Finished difference Result 408 states and 531 transitions. [2022-11-20 10:32:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:32:41,688 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (32), 5 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 205 [2022-11-20 10:32:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:41,691 INFO L225 Difference]: With dead ends: 408 [2022-11-20 10:32:41,691 INFO L226 Difference]: Without dead ends: 262 [2022-11-20 10:32:41,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:32:41,693 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 176 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:41,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 600 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:32:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-11-20 10:32:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 252. [2022-11-20 10:32:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 159 states have (on average 1.1761006289308176) internal successors, (187), 159 states have internal predecessors, (187), 68 states have call successors, (68), 24 states have call predecessors, (68), 24 states have return successors, (70), 68 states have call predecessors, (70), 67 states have call successors, (70) [2022-11-20 10:32:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 325 transitions. [2022-11-20 10:32:41,722 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 325 transitions. Word has length 205 [2022-11-20 10:32:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:41,724 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 325 transitions. [2022-11-20 10:32:41,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (32), 5 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-20 10:32:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 325 transitions. [2022-11-20 10:32:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-20 10:32:41,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:41,727 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:41,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:32:41,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:41,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1796534111, now seen corresponding path program 1 times [2022-11-20 10:32:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:41,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959587156] [2022-11-20 10:32:41,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:41,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:32:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:32:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:32:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:32:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:32:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:32:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:32:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:32:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:32:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 10:32:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 10:32:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 10:32:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-20 10:32:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-11-20 10:32:44,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:44,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959587156] [2022-11-20 10:32:44,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959587156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:44,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:44,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-20 10:32:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196018336] [2022-11-20 10:32:44,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:44,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 10:32:44,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:44,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 10:32:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:32:44,480 INFO L87 Difference]: Start difference. First operand 252 states and 325 transitions. Second operand has 16 states, 14 states have (on average 5.5) internal successors, (77), 12 states have internal predecessors, (77), 6 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-20 10:32:47,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:47,046 INFO L93 Difference]: Finished difference Result 424 states and 554 transitions. [2022-11-20 10:32:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 10:32:47,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.5) internal successors, (77), 12 states have internal predecessors, (77), 6 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 210 [2022-11-20 10:32:47,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:47,049 INFO L225 Difference]: With dead ends: 424 [2022-11-20 10:32:47,050 INFO L226 Difference]: Without dead ends: 269 [2022-11-20 10:32:47,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2022-11-20 10:32:47,052 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 411 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:47,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1016 Invalid, 2671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 10:32:47,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-20 10:32:47,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 255. [2022-11-20 10:32:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 161 states have (on average 1.173913043478261) internal successors, (189), 162 states have internal predecessors, (189), 68 states have call successors, (68), 24 states have call predecessors, (68), 25 states have return successors, (73), 68 states have call predecessors, (73), 67 states have call successors, (73) [2022-11-20 10:32:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 330 transitions. [2022-11-20 10:32:47,076 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 330 transitions. Word has length 210 [2022-11-20 10:32:47,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:47,077 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 330 transitions. [2022-11-20 10:32:47,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.5) internal successors, (77), 12 states have internal predecessors, (77), 6 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-20 10:32:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 330 transitions. [2022-11-20 10:32:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 10:32:47,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:47,081 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-11-20 10:32:47,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:32:47,081 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:47,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:47,082 INFO L85 PathProgramCache]: Analyzing trace with hash -130056786, now seen corresponding path program 2 times [2022-11-20 10:32:47,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:47,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93238642] [2022-11-20 10:32:47,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:47,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:32:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:32:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:32:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:32:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:32:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:32:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:32:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:32:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:32:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 10:32:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 10:32:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 10:32:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-20 10:32:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-20 10:32:50,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:50,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93238642] [2022-11-20 10:32:50,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93238642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:50,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334983501] [2022-11-20 10:32:50,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:32:50,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:50,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:50,367 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:50,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 10:32:50,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:32:50,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:32:50,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 10:32:50,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-11-20 10:32:51,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:51,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334983501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:51,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:51,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-11-20 10:32:51,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534156906] [2022-11-20 10:32:51,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:51,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:32:51,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:32:51,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-20 10:32:51,060 INFO L87 Difference]: Start difference. First operand 255 states and 330 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:32:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:51,120 INFO L93 Difference]: Finished difference Result 263 states and 337 transitions. [2022-11-20 10:32:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:32:51,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 221 [2022-11-20 10:32:51,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:51,123 INFO L225 Difference]: With dead ends: 263 [2022-11-20 10:32:51,123 INFO L226 Difference]: Without dead ends: 261 [2022-11-20 10:32:51,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:32:51,124 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 12 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:51,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1212 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:32:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-20 10:32:51,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2022-11-20 10:32:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 164 states have (on average 1.170731707317073) internal successors, (192), 165 states have internal predecessors, (192), 68 states have call successors, (68), 25 states have call predecessors, (68), 26 states have return successors, (73), 68 states have call predecessors, (73), 67 states have call successors, (73) [2022-11-20 10:32:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 333 transitions. [2022-11-20 10:32:51,145 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 333 transitions. Word has length 221 [2022-11-20 10:32:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:51,146 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 333 transitions. [2022-11-20 10:32:51,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-20 10:32:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 333 transitions. [2022-11-20 10:32:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-20 10:32:51,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:51,150 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:51,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:51,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:51,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:51,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1053277728, now seen corresponding path program 1 times [2022-11-20 10:32:51,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:51,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390396206] [2022-11-20 10:32:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:51,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:32:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:32:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:32:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:32:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:32:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:32:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:32:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:32:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:32:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 10:32:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 10:32:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 10:32:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-20 10:32:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-20 10:32:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-20 10:32:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-20 10:32:54,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:54,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390396206] [2022-11-20 10:32:54,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390396206] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:54,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21547563] [2022-11-20 10:32:54,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:54,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:54,790 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:54,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 10:32:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:55,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:32:55,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-11-20 10:32:55,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:32:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-11-20 10:32:56,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21547563] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:56,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:32:56,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 8] total 23 [2022-11-20 10:32:56,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62274752] [2022-11-20 10:32:56,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:56,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:32:56,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:56,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:32:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2022-11-20 10:32:56,107 INFO L87 Difference]: Start difference. First operand 259 states and 333 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 10:32:56,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:56,192 INFO L93 Difference]: Finished difference Result 267 states and 340 transitions. [2022-11-20 10:32:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:32:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 234 [2022-11-20 10:32:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:56,195 INFO L225 Difference]: With dead ends: 267 [2022-11-20 10:32:56,195 INFO L226 Difference]: Without dead ends: 265 [2022-11-20 10:32:56,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:32:56,196 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 6 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:56,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1222 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:32:56,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-20 10:32:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2022-11-20 10:32:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 167 states have (on average 1.1676646706586826) internal successors, (195), 168 states have internal predecessors, (195), 68 states have call successors, (68), 26 states have call predecessors, (68), 27 states have return successors, (73), 68 states have call predecessors, (73), 67 states have call successors, (73) [2022-11-20 10:32:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 336 transitions. [2022-11-20 10:32:56,219 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 336 transitions. Word has length 234 [2022-11-20 10:32:56,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:56,220 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 336 transitions. [2022-11-20 10:32:56,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 10:32:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 336 transitions. [2022-11-20 10:32:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 10:32:56,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:56,225 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:56,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:56,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:56,436 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:56,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2025730660, now seen corresponding path program 1 times [2022-11-20 10:32:56,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:56,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573525947] [2022-11-20 10:32:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:32:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:32:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:32:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:32:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:32:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:32:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:32:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:32:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:32:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:32:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:32:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:32:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:32:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:32:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:32:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:32:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:32:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:32:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:32:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:32:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 10:32:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 10:32:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 10:32:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:32:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:32:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:32:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 10:32:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-20 10:32:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-20 10:32:59,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:59,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573525947] [2022-11-20 10:32:59,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573525947] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:59,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750955321] [2022-11-20 10:32:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:59,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:59,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:59,610 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:59,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 10:33:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:00,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2965 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:33:00,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-11-20 10:33:00,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:00,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750955321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:00,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:33:00,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2022-11-20 10:33:00,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237021525] [2022-11-20 10:33:00,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:00,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:33:00,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:33:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:33:00,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:33:00,500 INFO L87 Difference]: Start difference. First operand 263 states and 336 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:33:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:00,596 INFO L93 Difference]: Finished difference Result 345 states and 437 transitions. [2022-11-20 10:33:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:33:00,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 241 [2022-11-20 10:33:00,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:00,599 INFO L225 Difference]: With dead ends: 345 [2022-11-20 10:33:00,599 INFO L226 Difference]: Without dead ends: 272 [2022-11-20 10:33:00,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:33:00,600 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 3 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:00,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1230 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:33:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-20 10:33:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 267. [2022-11-20 10:33:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 170 states have (on average 1.1647058823529413) internal successors, (198), 171 states have internal predecessors, (198), 68 states have call successors, (68), 26 states have call predecessors, (68), 28 states have return successors, (74), 69 states have call predecessors, (74), 67 states have call successors, (74) [2022-11-20 10:33:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 340 transitions. [2022-11-20 10:33:00,623 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 340 transitions. Word has length 241 [2022-11-20 10:33:00,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:00,624 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 340 transitions. [2022-11-20 10:33:00,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:33:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 340 transitions. [2022-11-20 10:33:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 10:33:00,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:00,626 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:00,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:00,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:33:00,842 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:00,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:00,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1682430622, now seen corresponding path program 1 times [2022-11-20 10:33:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:33:00,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926348614] [2022-11-20 10:33:00,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:33:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:33:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:33:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:33:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:33:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:33:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:33:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:33:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:33:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:33:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:33:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:33:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:33:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:33:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:33:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:33:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:33:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:33:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:33:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:33:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 10:33:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 10:33:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:33:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:33:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:33:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 10:33:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 10:33:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 10:33:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:33:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:33:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:33:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 10:33:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-20 10:33:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-20 10:33:03,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:33:03,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926348614] [2022-11-20 10:33:03,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926348614] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:33:03,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329345626] [2022-11-20 10:33:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:03,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:33:03,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:33:03,711 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:33:03,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 10:33:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:04,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 2964 conjuncts, 88 conjunts are in the unsatisfiable core [2022-11-20 10:33:04,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:04,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 10:33:06,926 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_43| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_43|) 0))) (and (<= (+ .cse0 2) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_43|) (not (= .cse0 0))))) is different from true [2022-11-20 10:33:09,099 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_44| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_44|) 0))) (and (not (= .cse0 0)) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_44|)))) is different from true [2022-11-20 10:33:09,210 INFO L321 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2022-11-20 10:33:09,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 98 [2022-11-20 10:33:09,246 INFO L321 Elim1Store]: treesize reduction 63, result has 19.2 percent of original size [2022-11-20 10:33:09,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 120 [2022-11-20 10:33:09,254 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 71 treesize of output 59 [2022-11-20 10:33:09,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2022-11-20 10:33:09,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:33:09,321 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-20 10:33:09,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 51 [2022-11-20 10:33:09,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:33:09,345 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 10:33:11,369 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_45| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_45|) 0))) (and (<= (+ .cse0 2) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_45|) (not (= .cse0 0))))) is different from true [2022-11-20 10:33:13,473 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_46| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_46|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_46|) (not (= .cse0 0))))) is different from true [2022-11-20 10:33:15,570 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_47| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_47|) 0))) (and (not (= .cse0 0)) (<= (+ .cse0 2) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_47|)))) is different from true [2022-11-20 10:33:15,667 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 10:33:15,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2022-11-20 10:33:15,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-20 10:33:16,869 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 15 treesize of output 7 [2022-11-20 10:33:16,875 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 15 treesize of output 7 [2022-11-20 10:33:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 189 proven. 31 refuted. 41 times theorem prover too weak. 118 trivial. 89 not checked. [2022-11-20 10:33:17,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:17,618 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-20 10:33:17,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2022-11-20 10:33:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-11-20 10:33:17,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329345626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:17,833 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:33:17,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26, 14] total 41 [2022-11-20 10:33:17,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937749531] [2022-11-20 10:33:17,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:17,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-20 10:33:17,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:33:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-20 10:33:17,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1168, Unknown=5, NotChecked=360, Total=1640 [2022-11-20 10:33:17,837 INFO L87 Difference]: Start difference. First operand 267 states and 340 transitions. Second operand has 41 states, 38 states have (on average 5.2105263157894735) internal successors, (198), 34 states have internal predecessors, (198), 18 states have call successors, (80), 15 states have call predecessors, (80), 14 states have return successors, (71), 16 states have call predecessors, (71), 18 states have call successors, (71) [2022-11-20 10:34:34,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:34,434 INFO L93 Difference]: Finished difference Result 510 states and 637 transitions. [2022-11-20 10:34:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-20 10:34:34,435 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 38 states have (on average 5.2105263157894735) internal successors, (198), 34 states have internal predecessors, (198), 18 states have call successors, (80), 15 states have call predecessors, (80), 14 states have return successors, (71), 16 states have call predecessors, (71), 18 states have call successors, (71) Word has length 241 [2022-11-20 10:34:34,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:34,437 INFO L225 Difference]: With dead ends: 510 [2022-11-20 10:34:34,437 INFO L226 Difference]: Without dead ends: 309 [2022-11-20 10:34:34,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 520 SyntacticMatches, 17 SemanticMatches, 76 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1267 ImplicationChecksByTransitivity, 83.6s TimeCoverageRelationStatistics Valid=485, Invalid=4761, Unknown=30, NotChecked=730, Total=6006 [2022-11-20 10:34:34,440 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 549 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 8189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2349 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:34,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 2206 Invalid, 8189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [425 Valid, 5415 Invalid, 0 Unknown, 2349 Unchecked, 4.4s Time] [2022-11-20 10:34:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-20 10:34:34,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 288. [2022-11-20 10:34:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 184 states have (on average 1.1521739130434783) internal successors, (212), 186 states have internal predecessors, (212), 70 states have call successors, (70), 30 states have call predecessors, (70), 33 states have return successors, (75), 71 states have call predecessors, (75), 69 states have call successors, (75) [2022-11-20 10:34:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 357 transitions. [2022-11-20 10:34:34,474 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 357 transitions. Word has length 241 [2022-11-20 10:34:34,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:34,476 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 357 transitions. [2022-11-20 10:34:34,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 38 states have (on average 5.2105263157894735) internal successors, (198), 34 states have internal predecessors, (198), 18 states have call successors, (80), 15 states have call predecessors, (80), 14 states have return successors, (71), 16 states have call predecessors, (71), 18 states have call successors, (71) [2022-11-20 10:34:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 357 transitions. [2022-11-20 10:34:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-20 10:34:34,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:34,478 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:34,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:34,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 10:34:34,690 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:34,691 INFO L85 PathProgramCache]: Analyzing trace with hash 762116007, now seen corresponding path program 2 times [2022-11-20 10:34:34,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:34,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112081712] [2022-11-20 10:34:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:34,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:34:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:34:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:34:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:34:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:34:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:34:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:34:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:34:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:34:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:34:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:34:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:34:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:44,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:34:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:34:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:34:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 10:34:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 10:34:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:34:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 10:34:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 10:34:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:34:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:34:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:34:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 10:34:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-11-20 10:34:46,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:34:46,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112081712] [2022-11-20 10:34:46,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112081712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:46,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:46,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-11-20 10:34:46,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477435279] [2022-11-20 10:34:46,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:46,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-20 10:34:46,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:34:46,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 10:34:46,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 10:34:46,159 INFO L87 Difference]: Start difference. First operand 288 states and 357 transitions. Second operand has 35 states, 31 states have (on average 2.903225806451613) internal successors, (90), 29 states have internal predecessors, (90), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) [2022-11-20 10:34:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:52,999 INFO L93 Difference]: Finished difference Result 408 states and 514 transitions. [2022-11-20 10:34:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-20 10:34:53,000 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 31 states have (on average 2.903225806451613) internal successors, (90), 29 states have internal predecessors, (90), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) Word has length 252 [2022-11-20 10:34:53,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:53,003 INFO L225 Difference]: With dead ends: 408 [2022-11-20 10:34:53,003 INFO L226 Difference]: Without dead ends: 336 [2022-11-20 10:34:53,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 79 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=497, Invalid=3535, Unknown=0, NotChecked=0, Total=4032 [2022-11-20 10:34:53,005 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 746 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 5843 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 6511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 5843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:53,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1074 Invalid, 6511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 5843 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-20 10:34:53,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-20 10:34:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2022-11-20 10:34:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 209 states have (on average 1.1483253588516746) internal successors, (240), 214 states have internal predecessors, (240), 83 states have call successors, (83), 31 states have call predecessors, (83), 38 states have return successors, (98), 85 states have call predecessors, (98), 82 states have call successors, (98) [2022-11-20 10:34:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 421 transitions. [2022-11-20 10:34:53,038 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 421 transitions. Word has length 252 [2022-11-20 10:34:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:53,039 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 421 transitions. [2022-11-20 10:34:53,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 31 states have (on average 2.903225806451613) internal successors, (90), 29 states have internal predecessors, (90), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) [2022-11-20 10:34:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 421 transitions. [2022-11-20 10:34:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-20 10:34:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:53,042 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:34:53,042 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1538706583, now seen corresponding path program 1 times [2022-11-20 10:34:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:53,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499005136] [2022-11-20 10:34:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:53,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:34:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:34:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:34:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:34:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:34:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:34:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:34:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:34:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:34:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:34:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:34:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:34:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:34:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:34:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:34:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 10:34:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 10:34:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:34:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 10:34:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 10:34:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:34:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:34:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:34:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 10:34:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-11-20 10:34:53,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:34:53,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499005136] [2022-11-20 10:34:53,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499005136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:53,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:53,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:34:53,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197281241] [2022-11-20 10:34:53,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:53,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:34:53,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:34:53,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:34:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:34:53,889 INFO L87 Difference]: Start difference. First operand 331 states and 421 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:54,979 INFO L93 Difference]: Finished difference Result 414 states and 524 transitions. [2022-11-20 10:34:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:34:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 252 [2022-11-20 10:34:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:54,983 INFO L225 Difference]: With dead ends: 414 [2022-11-20 10:34:54,983 INFO L226 Difference]: Without dead ends: 331 [2022-11-20 10:34:54,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:34:54,985 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 427 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:54,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 467 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:34:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-11-20 10:34:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2022-11-20 10:34:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 206 states have (on average 1.1407766990291262) internal successors, (235), 210 states have internal predecessors, (235), 83 states have call successors, (83), 31 states have call predecessors, (83), 37 states have return successors, (96), 85 states have call predecessors, (96), 82 states have call successors, (96) [2022-11-20 10:34:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 414 transitions. [2022-11-20 10:34:55,022 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 414 transitions. Word has length 252 [2022-11-20 10:34:55,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:55,023 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 414 transitions. [2022-11-20 10:34:55,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 414 transitions. [2022-11-20 10:34:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 10:34:55,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:55,026 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:34:55,026 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash -699636353, now seen corresponding path program 1 times [2022-11-20 10:34:55,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:55,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018729505] [2022-11-20 10:34:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:34:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:34:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:34:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:34:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:34:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:34:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:34:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:34:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:34:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:34:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:34:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:34:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:34:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:34:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:34:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 10:34:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 10:34:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:34:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 10:34:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 10:34:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:34:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:34:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:34:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-20 10:34:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-11-20 10:34:56,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:34:56,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018729505] [2022-11-20 10:34:56,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018729505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:56,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:56,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:34:56,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180468285] [2022-11-20 10:34:56,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:56,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:34:56,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:34:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:34:56,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:34:56,156 INFO L87 Difference]: Start difference. First operand 327 states and 414 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:57,364 INFO L93 Difference]: Finished difference Result 410 states and 517 transitions. [2022-11-20 10:34:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:34:57,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 258 [2022-11-20 10:34:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:57,367 INFO L225 Difference]: With dead ends: 410 [2022-11-20 10:34:57,367 INFO L226 Difference]: Without dead ends: 331 [2022-11-20 10:34:57,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:34:57,368 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 338 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:57,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 569 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:34:57,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-11-20 10:34:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2022-11-20 10:34:57,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 206 states have (on average 1.1359223300970873) internal successors, (234), 210 states have internal predecessors, (234), 83 states have call successors, (83), 31 states have call predecessors, (83), 37 states have return successors, (96), 85 states have call predecessors, (96), 82 states have call successors, (96) [2022-11-20 10:34:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 413 transitions. [2022-11-20 10:34:57,408 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 413 transitions. Word has length 258 [2022-11-20 10:34:57,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:57,408 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 413 transitions. [2022-11-20 10:34:57,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 413 transitions. [2022-11-20 10:34:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 10:34:57,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:57,411 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:57,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:34:57,412 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:57,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1906387201, now seen corresponding path program 1 times [2022-11-20 10:34:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:57,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322531071] [2022-11-20 10:34:57,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:57,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:34:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:34:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:34:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:34:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:34:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:34:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:34:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:34:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:34:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:34:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:34:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:34:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:34:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:34:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:34:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:34:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 10:34:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 10:34:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:34:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:34:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 10:34:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 10:34:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:34:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:34:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:34:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:34:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:34:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-20 10:34:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-11-20 10:34:58,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:34:58,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322531071] [2022-11-20 10:34:58,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322531071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:58,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:58,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 10:34:58,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64560175] [2022-11-20 10:34:58,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:58,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:34:58,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:34:58,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:34:58,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:34:58,438 INFO L87 Difference]: Start difference. First operand 327 states and 413 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:59,932 INFO L93 Difference]: Finished difference Result 422 states and 534 transitions. [2022-11-20 10:34:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 10:34:59,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 258 [2022-11-20 10:34:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:59,936 INFO L225 Difference]: With dead ends: 422 [2022-11-20 10:34:59,936 INFO L226 Difference]: Without dead ends: 349 [2022-11-20 10:34:59,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-20 10:34:59,938 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 505 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:59,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 769 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:34:59,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-20 10:34:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 333. [2022-11-20 10:34:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 211 states have (on average 1.132701421800948) internal successors, (239), 216 states have internal predecessors, (239), 83 states have call successors, (83), 31 states have call predecessors, (83), 38 states have return successors, (98), 85 states have call predecessors, (98), 82 states have call successors, (98) [2022-11-20 10:34:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 420 transitions. [2022-11-20 10:34:59,974 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 420 transitions. Word has length 258 [2022-11-20 10:34:59,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:59,974 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 420 transitions. [2022-11-20 10:34:59,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 10:34:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 420 transitions. [2022-11-20 10:34:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-20 10:34:59,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:59,977 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:59,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:34:59,978 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -279181109, now seen corresponding path program 1 times [2022-11-20 10:34:59,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:59,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181225220] [2022-11-20 10:34:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:35:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:35:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:35:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:35:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:35:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:35:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:35:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:35:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:35:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:35:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:35:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:35:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:35:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:35:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:35:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:35:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 10:35:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:35:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 10:35:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 10:35:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-20 10:35:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:35:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 10:35:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 10:35:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:35:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:35:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-20 10:35:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-11-20 10:35:00,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181225220] [2022-11-20 10:35:00,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181225220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:00,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:00,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:35:00,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279030758] [2022-11-20 10:35:00,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:00,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:35:00,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:00,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:35:00,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:35:00,818 INFO L87 Difference]: Start difference. First operand 333 states and 420 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 10:35:01,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:35:01,967 INFO L93 Difference]: Finished difference Result 660 states and 834 transitions. [2022-11-20 10:35:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:35:01,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 264 [2022-11-20 10:35:01,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:35:01,971 INFO L225 Difference]: With dead ends: 660 [2022-11-20 10:35:01,971 INFO L226 Difference]: Without dead ends: 339 [2022-11-20 10:35:01,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:35:01,973 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 193 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:35:01,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 567 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:35:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-11-20 10:35:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2022-11-20 10:35:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 213 states have (on average 1.1314553990610328) internal successors, (241), 217 states have internal predecessors, (241), 83 states have call successors, (83), 31 states have call predecessors, (83), 38 states have return successors, (98), 86 states have call predecessors, (98), 82 states have call successors, (98) [2022-11-20 10:35:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 422 transitions. [2022-11-20 10:35:02,009 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 422 transitions. Word has length 264 [2022-11-20 10:35:02,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:35:02,009 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 422 transitions. [2022-11-20 10:35:02,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 10:35:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 422 transitions. [2022-11-20 10:35:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 10:35:02,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:35:02,012 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:02,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:35:02,013 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:35:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:02,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1319581187, now seen corresponding path program 1 times [2022-11-20 10:35:02,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:02,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720448056] [2022-11-20 10:35:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:02,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:35:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:35:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:35:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:35:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:35:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 10:35:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 10:35:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-20 10:35:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:35:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:35:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:35:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:35:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:35:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:35:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:35:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:35:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:35:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 10:35:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 10:35:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:35:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-20 10:35:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 10:35:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 10:35:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-20 10:35:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:35:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:35:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:35:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:35:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-20 10:35:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-11-20 10:35:12,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720448056] [2022-11-20 10:35:12,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720448056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:12,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:12,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-11-20 10:35:12,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617877612] [2022-11-20 10:35:12,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:12,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-20 10:35:12,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:12,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-20 10:35:12,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1213, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 10:35:12,842 INFO L87 Difference]: Start difference. First operand 335 states and 422 transitions. Second operand has 37 states, 33 states have (on average 2.909090909090909) internal successors, (96), 31 states have internal predecessors, (96), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) [2022-11-20 10:35:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:35:19,564 INFO L93 Difference]: Finished difference Result 422 states and 526 transitions. [2022-11-20 10:35:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-20 10:35:19,565 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 2.909090909090909) internal successors, (96), 31 states have internal predecessors, (96), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) Word has length 258 [2022-11-20 10:35:19,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:35:19,568 INFO L225 Difference]: With dead ends: 422 [2022-11-20 10:35:19,568 INFO L226 Difference]: Without dead ends: 350 [2022-11-20 10:35:19,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=534, Invalid=3888, Unknown=0, NotChecked=0, Total=4422 [2022-11-20 10:35:19,571 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 655 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 5529 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 6087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 5529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:35:19,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 986 Invalid, 6087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 5529 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 10:35:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-20 10:35:19,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 331. [2022-11-20 10:35:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 211 states have (on average 1.132701421800948) internal successors, (239), 213 states have internal predecessors, (239), 83 states have call successors, (83), 31 states have call predecessors, (83), 36 states have return successors, (93), 86 states have call predecessors, (93), 82 states have call successors, (93) [2022-11-20 10:35:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 415 transitions. [2022-11-20 10:35:19,614 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 415 transitions. Word has length 258 [2022-11-20 10:35:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:35:19,615 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 415 transitions. [2022-11-20 10:35:19,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 2.909090909090909) internal successors, (96), 31 states have internal predecessors, (96), 17 states have call successors, (37), 7 states have call predecessors, (37), 8 states have return successors, (35), 17 states have call predecessors, (35), 16 states have call successors, (35) [2022-11-20 10:35:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 415 transitions. [2022-11-20 10:35:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 10:35:19,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:35:19,618 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:19,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:35:19,618 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:35:19,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:19,619 INFO L85 PathProgramCache]: Analyzing trace with hash 972721738, now seen corresponding path program 1 times [2022-11-20 10:35:19,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:19,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673068011] [2022-11-20 10:35:19,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:19,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:35:19,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618510571] [2022-11-20 10:35:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:35:19,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:19,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:35:19,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 10:35:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:21,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 190 conjunts are in the unsatisfiable core [2022-11-20 10:35:21,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:21,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 10:35:21,467 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 10:35:21,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 10:35:21,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 10:35:21,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 10:35:21,837 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-20 10:35:21,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-11-20 10:35:21,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 10:35:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:35:22,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:35:22,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:35:22,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 10:35:22,560 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 10:35:22,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 10:35:22,585 INFO L321 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2022-11-20 10:35:22,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 98 [2022-11-20 10:35:22,610 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-11-20 10:35:22,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 106 [2022-11-20 10:35:22,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2022-11-20 10:35:22,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2022-11-20 10:35:22,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:27,166 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.offset|))) (and (not (= 0 .cse0)) (<= (+ 2 .cse0) |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base|) (= |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.offset| 0) (or (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65| Int)) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 0))) (and (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 1) (<= (+ 2 .cse1) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) (not (= .cse1 0)) (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_$Pointer$.base| .cse1 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse1)) .cse1))) (and (exists ((v_arrayElimCell_31 Int)) (let ((.cse3 (+ 8 v_arrayElimCell_31))) (and (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse2 .cse3)) (not (= .cse3 0))))) (= .cse2 v_DerPreprocessor_1))))))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65| Int)) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 0))) (and (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 1) (<= (+ 2 .cse4) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) (exists ((v_DerPreprocessor_1 (Array Int Int))) (= (select (store (store |c_#memory_$Pointer$.base| .cse4 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse4)) .cse4) v_DerPreprocessor_1)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse4)))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65| Int)) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 0))) (and (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) 1) (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse5 (select (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse6)) .cse6))) (and (= .cse5 v_DerPreprocessor_1) (exists ((v_prenex_2 Int)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse5 (+ 8 v_prenex_2))))))) (<= (+ 2 .cse6) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_65|) (not (= .cse6 0)))))) (not (= |c_ULTIMATE.start_hash_table_state_has_an_empty_slot_~rval#1.base| |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base|)) (let ((.cse7 (select |c_#memory_$Pointer$.base| .cse0))) (or (and (exists ((v_DerPreprocessor_1 (Array Int Int))) (= (select (store (store |c_#memory_$Pointer$.base| .cse0 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse7) .cse0) v_DerPreprocessor_1)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse0)) (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse8 (select (store (store |c_#memory_$Pointer$.base| .cse0 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse7) .cse0))) (and (= .cse8 v_DerPreprocessor_1) (exists ((v_arrayElimCell_31 Int)) (let ((.cse9 (+ 8 v_arrayElimCell_31))) (and (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse8 .cse9)) (not (= .cse9 |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.offset|)))))))) (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse10 (select (store (store |c_#memory_$Pointer$.base| .cse0 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse7) .cse0))) (and (= .cse10 v_DerPreprocessor_1) (exists ((v_prenex_2 Int)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse10 (+ 8 v_prenex_2))))))))) (or (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64| Int)) (let ((.cse13 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 0))) (and (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse12 (select (store (store |c_#memory_$Pointer$.base| .cse13 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse13)) .cse13))) (and (exists ((v_arrayElimCell_31 Int)) (let ((.cse11 (+ 8 v_arrayElimCell_31))) (and (not (= .cse11 0)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse12 .cse11))))) (= .cse12 v_DerPreprocessor_1)))) (<= (+ 2 .cse13) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) (not (= .cse13 0)) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 1)))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64| Int)) (let ((.cse14 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 0))) (and (exists ((v_DerPreprocessor_1 (Array Int Int))) (= (select (store (store |c_#memory_$Pointer$.base| .cse14 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse14)) .cse14) v_DerPreprocessor_1)) (<= (+ 2 .cse14) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse14) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 1)))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64| Int)) (let ((.cse16 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 0))) (and (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse15 (select (store (store |c_#memory_$Pointer$.base| .cse16 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse16)) .cse16))) (and (exists ((v_prenex_2 Int)) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select .cse15 (+ 8 v_prenex_2)))) (= .cse15 v_DerPreprocessor_1)))) (<= (+ 2 .cse16) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) (not (= .cse16 0)) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_64|) 1))))) (or (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63| Int)) (let ((.cse18 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 0))) (and (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse17 (select (store (store |c_#memory_$Pointer$.base| .cse18 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse18)) .cse18))) (and (exists ((v_prenex_2 Int)) (= (select .cse17 (+ 8 v_prenex_2)) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)) (= .cse17 v_DerPreprocessor_1)))) (<= (+ 2 .cse18) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 1) (not (= .cse18 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63| Int)) (let ((.cse19 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 0))) (and (<= (+ 2 .cse19) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) (= |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| .cse19) (exists ((v_DerPreprocessor_1 (Array Int Int))) (= (select (store (store |c_#memory_$Pointer$.base| .cse19 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse19)) .cse19) v_DerPreprocessor_1)) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 1)))) (exists ((|v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63| Int)) (let ((.cse20 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 0))) (and (<= (+ 2 .cse20) |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) (exists ((v_DerPreprocessor_1 (Array Int Int))) (let ((.cse21 (select (store (store |c_#memory_$Pointer$.base| .cse20 v_DerPreprocessor_1) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base| (select |c_#memory_$Pointer$.base| .cse20)) .cse20))) (and (= .cse21 v_DerPreprocessor_1) (exists ((v_arrayElimCell_31 Int)) (let ((.cse22 (+ 8 v_arrayElimCell_31))) (and (not (= .cse22 0)) (= (select .cse21 .cse22) |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|))))))) (= (select |c_#valid| |v_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base_BEFORE_CALL_63|) 1) (not (= .cse20 0)))))) (= (select |c_#valid| |c_ULTIMATE.start_aws_hash_table_find_harness_~#map~0#1.base|) 1))) is different from true [2022-11-20 10:35:45,099 WARN L233 SmtUtils]: Spent 17.81s on a formula simplification. DAG size of input: 937 DAG size of output: 801 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 10:35:45,108 INFO L321 Elim1Store]: treesize reduction 342, result has 81.8 percent of original size [2022-11-20 10:35:45,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 1 disjoint index pairs (out of 190 index pairs), introduced 30 new quantified variables, introduced 209 case distinctions, treesize of input 882 treesize of output 2233 [2022-11-20 10:35:46,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:46,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:47,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:47,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:48,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:48,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:35:48,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:37:07,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 10:43:33,116 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-20 10:43:33,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-20 10:43:33,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:43:33,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673068011] [2022-11-20 10:43:33,118 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:43:33,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618510571] [2022-11-20 10:43:33,118 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-20 10:43:33,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-20 10:43:33,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:43:33,319 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:800) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:132) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 67 more [2022-11-20 10:43:33,323 INFO L158 Benchmark]: Toolchain (without parser) took 693169.42ms. Allocated memory was 180.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 146.9MB in the beginning and 734.7MB in the end (delta: -587.7MB). Peak memory consumption was 861.6MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,323 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:43:33,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3970.67ms. Allocated memory was 180.4MB in the beginning and 220.2MB in the end (delta: 39.8MB). Free memory was 146.9MB in the beginning and 101.9MB in the end (delta: 45.1MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.34ms. Allocated memory is still 220.2MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,324 INFO L158 Benchmark]: Boogie Preprocessor took 180.45ms. Allocated memory is still 220.2MB. Free memory was 89.3MB in the beginning and 151.3MB in the end (delta: -62.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,324 INFO L158 Benchmark]: RCFGBuilder took 2047.78ms. Allocated memory is still 220.2MB. Free memory was 151.3MB in the beginning and 102.5MB in the end (delta: 48.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,325 INFO L158 Benchmark]: TraceAbstraction took 686768.36ms. Allocated memory was 220.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 101.5MB in the beginning and 734.7MB in the end (delta: -633.1MB). Peak memory consumption was 775.5MB. Max. memory is 16.1GB. [2022-11-20 10:43:33,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3970.67ms. Allocated memory was 180.4MB in the beginning and 220.2MB in the end (delta: 39.8MB). Free memory was 146.9MB in the beginning and 101.9MB in the end (delta: 45.1MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.34ms. Allocated memory is still 220.2MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.45ms. Allocated memory is still 220.2MB. Free memory was 89.3MB in the beginning and 151.3MB in the end (delta: -62.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2047.78ms. Allocated memory is still 220.2MB. Free memory was 151.3MB in the beginning and 102.5MB in the end (delta: 48.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * TraceAbstraction took 686768.36ms. Allocated memory was 220.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 101.5MB in the beginning and 734.7MB in the end (delta: -633.1MB). Peak memory consumption was 775.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN --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 b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:43:35,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:43:35,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:43:35,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:43:35,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:43:35,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:43:35,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:43:35,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:43:35,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:43:35,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:43:35,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:43:35,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:43:35,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:43:35,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:43:35,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:43:35,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:43:35,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:43:35,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:43:35,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:43:35,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:43:35,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:43:35,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:43:35,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:43:35,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:43:35,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:43:35,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:43:35,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:43:35,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:43:35,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:43:35,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:43:35,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:43:35,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:43:35,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:43:35,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:43:35,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:43:35,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:43:35,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:43:35,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:43:35,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:43:35,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:43:35,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:43:35,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:43:35,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:43:35,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:43:35,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:43:35,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:43:35,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:43:35,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:43:35,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:43:35,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:43:35,873 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:43:35,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:43:35,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:43:35,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:43:35,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:43:35,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:43:35,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:43:35,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:43:35,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:43:35,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:43:35,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:43:35,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:43:35,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:43:35,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:43:35,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:43:35,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:43:35,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:43:35,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:43:35,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:43:35,878 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:43:35,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:43:35,878 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:43:35,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:43:35,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:43:35,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:43:35,879 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2aa49e297f60cfce052f243c4868c3f21a4b7a15679d0734b9f9fae5c35ea17 [2022-11-20 10:43:36,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:43:36,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:43:36,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:43:36,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:43:36,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:43:36,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2022-11-20 10:43:39,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:43:40,075 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:43:40,076 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2022-11-20 10:43:40,124 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/0b0700dd3/f553facb7fe743039a6585d354ab0780/FLAGf5ac3ff62 [2022-11-20 10:43:40,144 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/bin/uautomizer-ug76WZFUDN/data/0b0700dd3/f553facb7fe743039a6585d354ab0780 [2022-11-20 10:43:40,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:43:40,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:43:40,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:43:40,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:43:40,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:43:40,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:40" (1/1) ... [2022-11-20 10:43:40,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16376a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:40, skipping insertion in model container [2022-11-20 10:43:40,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:40" (1/1) ... [2022-11-20 10:43:40,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:43:40,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:43:40,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2022-11-20 10:43:40,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2022-11-20 10:43:41,885 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,886 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,886 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,887 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,889 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,906 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,907 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,909 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,910 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,913 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,914 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,915 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:41,916 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:42,494 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:43:42,495 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:43:42,497 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:43:42,498 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:43:42,500 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:43:42,501 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:43:42,502 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:43:42,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:43:42,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:43:42,504 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:43:42,742 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:43:43,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,161 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,162 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,173 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,173 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,197 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,200 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,201 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,201 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,202 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,202 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:43:43,303 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:43:43,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:43:43,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2022-11-20 10:43:43,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2022-11-20 10:43:43,402 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,403 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,403 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,404 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,404 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,411 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,411 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,412 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,413 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,414 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,414 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,415 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,415 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:43:43,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:43:43,447 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:43:43,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:43:43,449 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:43:43,449 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:43:43,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:43:43,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:43:43,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:43:43,451 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:43:43,470 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:43:43,596 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,597 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,605 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,608 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,609 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,616 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,617 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,617 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,618 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,618 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,619 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,619 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:43:43,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:43:43,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4493,4506] [2022-11-20 10:43:43,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af624b94-5a79-438b-af7b-20b490abd18c/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i[4553,4566] [2022-11-20 10:43:43,705 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,706 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,706 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,707 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,707 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,713 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,714 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,715 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,718 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,766 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,767 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,767 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,768 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,805 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:43:43,806 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:43:43,807 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:43:43,808 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:43:43,809 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:43:43,809 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:43:43,810 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:43:43,811 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:43:43,811 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:43:43,812 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:43:43,838 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:43:43,947 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,948 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,958 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:43,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:44,003 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:44,003 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:43:44,007 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.countNumberOfPrimitiveElementInType(CTranslationUtil.java:560) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.countNumberOfPrimitiveElementInType(CTranslationUtil.java:553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.useConstantArrayForOnHeapDefaultInit(InitializationHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2957) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2165) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:43:44,015 INFO L158 Benchmark]: Toolchain (without parser) took 3865.22ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 47.7MB in the beginning and 65.3MB in the end (delta: -17.6MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-11-20 10:43:44,016 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:43:44,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3862.55ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 47.5MB in the beginning and 65.3MB in the end (delta: -17.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-11-20 10:43:44,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3862.55ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 47.5MB in the beginning and 65.3MB in the end (delta: -17.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4773) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range