./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:32:44,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:32:44,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:32:44,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:32:44,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:32:44,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:32:45,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:32:45,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:32:45,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:32:45,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:32:45,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:32:45,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:32:45,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:32:45,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:32:45,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:32:45,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:32:45,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:32:45,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:32:45,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:32:45,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:32:45,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:32:45,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:32:45,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:32:45,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:32:45,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:32:45,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:32:45,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:32:45,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:32:45,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:32:45,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:32:45,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:32:45,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:32:45,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:32:45,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:32:45,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:32:45,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:32:45,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:32:45,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:32:45,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:32:45,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:32:45,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:32:45,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:32:45,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:32:45,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:32:45,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:32:45,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:32:45,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:32:45,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:32:45,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:32:45,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:32:45,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:32:45,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:32:45,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:32:45,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:32:45,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:32:45,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:32:45,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:32:45,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:32:45,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:32:45,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:32:45,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:32:45,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:32:45,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:32:45,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:32:45,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:32:45,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:32:45,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:32:45,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:32:45,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:32:45,119 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:32:45,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:32:45,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:32:45,119 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_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76206b4f7fb4016a4087a30dbd51e90ef533ed916c2eae20331e23ac9a9e91be [2022-11-16 11:32:45,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:32:45,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:32:45,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:32:45,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:32:45,446 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:32:45,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2022-11-16 11:32:45,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/data/ed098ebb6/2a7a37aba85444e1ab6f5249dc96bf71/FLAG738540169 [2022-11-16 11:32:46,380 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:32:46,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i [2022-11-16 11:32:46,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/data/ed098ebb6/2a7a37aba85444e1ab6f5249dc96bf71/FLAG738540169 [2022-11-16 11:32:46,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/data/ed098ebb6/2a7a37aba85444e1ab6f5249dc96bf71 [2022-11-16 11:32:46,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:32:46,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:32:46,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:32:46,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:32:46,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:32:46,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:32:46" (1/1) ... [2022-11-16 11:32:46,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff2fa8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:46, skipping insertion in model container [2022-11-16 11:32:46,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:32:46" (1/1) ... [2022-11-16 11:32:46,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:32:47,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:32:47,336 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2022-11-16 11:32:47,343 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2022-11-16 11:32:48,321 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,329 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,330 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,331 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,334 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,351 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,355 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,363 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,366 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,368 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,369 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,369 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,370 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:48,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:32:48,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:32:48,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:32:48,920 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:32:48,924 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:32:48,925 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:32:48,926 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:32:48,927 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:32:48,935 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:32:48,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:32:49,182 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:32:49,508 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,510 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,534 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,536 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,541 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,543 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,561 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,564 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,564 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,567 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,567 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,569 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,569 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:32:49,657 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:32:49,683 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4494,4507] [2022-11-16 11:32:49,684 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/sv-benchmarks/c/aws-c-common/aws_hash_table_clear_harness.i[4554,4567] [2022-11-16 11:32:49,772 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,774 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,775 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,775 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,776 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,785 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,788 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,790 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,791 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,792 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,792 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,792 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,793 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:32:49,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:32:49,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:32:49,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:32:49,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:32:49,828 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:32:49,828 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:32:49,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:32:49,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:32:49,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:32:49,855 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:32:49,964 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,966 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,973 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,974 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,976 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,976 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,990 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,991 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,991 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,992 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,992 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,993 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:49,993 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:32:50,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:32:50,295 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:32:50,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50 WrapperNode [2022-11-16 11:32:50,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:32:50,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:32:50,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:32:50,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:32:50,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,496 INFO L138 Inliner]: procedures = 775, calls = 2440, calls flagged for inlining = 68, calls inlined = 13, statements flattened = 612 [2022-11-16 11:32:50,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:32:50,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:32:50,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:32:50,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:32:50,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:32:50,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:32:50,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:32:50,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:32:50,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (1/1) ... [2022-11-16 11:32:50,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:32:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:32:50,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:32:50,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:32:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2022-11-16 11:32:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2022-11-16 11:32:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 11:32:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-16 11:32:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-16 11:32:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:32:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 11:32:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 11:32:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 11:32:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 11:32:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-16 11:32:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-16 11:32:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_clear [2022-11-16 11:32:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_clear [2022-11-16 11:32:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:32:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:32:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:32:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:32:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:32:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 11:32:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 11:32:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 11:32:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 11:32:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:32:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-16 11:32:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-16 11:32:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:32:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 11:32:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 11:32:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:32:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-11-16 11:32:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-11-16 11:32:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-16 11:32:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-16 11:32:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:32:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-16 11:32:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-16 11:32:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:32:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:32:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:32:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:32:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-16 11:32:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-16 11:32:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:32:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 11:32:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 11:32:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-16 11:32:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-16 11:32:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:32:51,133 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:32:51,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:32:52,301 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:32:52,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:32:52,318 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:32:52,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:32:52 BoogieIcfgContainer [2022-11-16 11:32:52,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:32:52,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:32:52,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:32:52,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:32:52,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:32:46" (1/3) ... [2022-11-16 11:32:52,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647475cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:32:52, skipping insertion in model container [2022-11-16 11:32:52,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:32:50" (2/3) ... [2022-11-16 11:32:52,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647475cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:32:52, skipping insertion in model container [2022-11-16 11:32:52,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:32:52" (3/3) ... [2022-11-16 11:32:52,332 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clear_harness.i [2022-11-16 11:32:52,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:32:52,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:32:52,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:32:52,450 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;@8a3b288, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:32:52,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:32:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 108 states have (on average 1.1851851851851851) internal successors, (128), 109 states have internal predecessors, (128), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-11-16 11:32:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-16 11:32:52,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:52,469 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:32:52,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash 889774617, now seen corresponding path program 1 times [2022-11-16 11:32:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:52,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858317042] [2022-11-16 11:32:52,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:52,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:52,917 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:32:52,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117788794] [2022-11-16 11:32:52,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:52,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:32:52,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:32:52,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:32:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:32:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:53,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:32:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:32:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-16 11:32:53,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:32:53,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:32:53,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858317042] [2022-11-16 11:32:53,694 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:32:53,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117788794] [2022-11-16 11:32:53,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117788794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:32:53,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:32:53,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:32:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819088930] [2022-11-16 11:32:53,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:32:53,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:32:53,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:32:53,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:32:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:32:53,734 INFO L87 Difference]: Start difference. First operand has 169 states, 108 states have (on average 1.1851851851851851) internal successors, (128), 109 states have internal predecessors, (128), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:32:53,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:32:53,793 INFO L93 Difference]: Finished difference Result 334 states and 435 transitions. [2022-11-16 11:32:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:32:53,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2022-11-16 11:32:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:32:53,806 INFO L225 Difference]: With dead ends: 334 [2022-11-16 11:32:53,806 INFO L226 Difference]: Without dead ends: 163 [2022-11-16 11:32:53,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:32:53,813 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:32:53,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:32:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-16 11:32:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2022-11-16 11:32:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-11-16 11:32:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2022-11-16 11:32:53,897 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 139 [2022-11-16 11:32:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:32:53,900 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2022-11-16 11:32:53,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:32:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2022-11-16 11:32:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-16 11:32:53,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:53,908 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:32:53,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:32:54,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 11:32:54,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:54,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash -131293737, now seen corresponding path program 1 times [2022-11-16 11:32:54,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:54,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174315424] [2022-11-16 11:32:54,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:54,270 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:32:54,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582491380] [2022-11-16 11:32:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:54,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:32:54,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:32:54,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:32:54,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:32:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:54,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:32:54,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:32:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-16 11:32:54,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:32:54,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:32:54,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174315424] [2022-11-16 11:32:54,977 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:32:54,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582491380] [2022-11-16 11:32:54,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582491380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:32:54,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:32:54,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:32:54,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496389014] [2022-11-16 11:32:54,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:32:54,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:32:54,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:32:54,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:32:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:32:54,981 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:32:55,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:32:55,036 INFO L93 Difference]: Finished difference Result 289 states and 353 transitions. [2022-11-16 11:32:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:32:55,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2022-11-16 11:32:55,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:32:55,039 INFO L225 Difference]: With dead ends: 289 [2022-11-16 11:32:55,039 INFO L226 Difference]: Without dead ends: 168 [2022-11-16 11:32:55,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:32:55,042 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 2 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 775 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 [2022-11-16 11:32:55,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 775 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:32:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-16 11:32:55,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-11-16 11:32:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 107 states have (on average 1.1401869158878504) internal successors, (122), 108 states have internal predecessors, (122), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (41), 41 states have call predecessors, (41), 40 states have call successors, (41) [2022-11-16 11:32:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 204 transitions. [2022-11-16 11:32:55,058 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 204 transitions. Word has length 139 [2022-11-16 11:32:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:32:55,058 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 204 transitions. [2022-11-16 11:32:55,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:32:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 204 transitions. [2022-11-16 11:32:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-16 11:32:55,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:55,061 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:32:55,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:32:55,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 11:32:55,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:55,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:55,272 INFO L85 PathProgramCache]: Analyzing trace with hash -2039178523, now seen corresponding path program 1 times [2022-11-16 11:32:55,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:55,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424540210] [2022-11-16 11:32:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:55,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:32:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:32:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:32:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:32:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:32:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:32:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:32:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:32:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:32:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:32:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:32:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:32:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:32:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:32:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 11:32:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:32:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:32:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 11:32:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-16 11:32:57,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:32:57,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424540210] [2022-11-16 11:32:57,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424540210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:32:57,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995834304] [2022-11-16 11:32:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:57,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:32:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:32:57,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:32:57,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:32:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:58,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-16 11:32:58,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:32:58,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 11:32:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:32:58,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:32:58,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995834304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:32:58,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:32:58,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2022-11-16 11:32:58,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915120915] [2022-11-16 11:32:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:32:58,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:32:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:32:58,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:32:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:32:58,904 INFO L87 Difference]: Start difference. First operand 168 states and 204 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-16 11:32:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:32:59,001 INFO L93 Difference]: Finished difference Result 287 states and 350 transitions. [2022-11-16 11:32:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:32:59,002 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2022-11-16 11:32:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:32:59,005 INFO L225 Difference]: With dead ends: 287 [2022-11-16 11:32:59,005 INFO L226 Difference]: Without dead ends: 177 [2022-11-16 11:32:59,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:32:59,007 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:32:59,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 944 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 34 Unchecked, 0.0s Time] [2022-11-16 11:32:59,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-16 11:32:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-11-16 11:32:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 116 states have internal predecessors, (132), 41 states have call successors, (41), 19 states have call predecessors, (41), 20 states have return successors, (42), 41 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-16 11:32:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 215 transitions. [2022-11-16 11:32:59,023 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 215 transitions. Word has length 145 [2022-11-16 11:32:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:32:59,024 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 215 transitions. [2022-11-16 11:32:59,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-16 11:32:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 215 transitions. [2022-11-16 11:32:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-16 11:32:59,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:59,026 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:32:59,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:32:59,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:32:59,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1113286307, now seen corresponding path program 1 times [2022-11-16 11:32:59,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:59,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065056240] [2022-11-16 11:32:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:32:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:32:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:32:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:32:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:32:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:32:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:32:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:32:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:33:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:33:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:33:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:33:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 11:33:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:33:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:33:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 11:33:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-16 11:33:00,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:00,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065056240] [2022-11-16 11:33:00,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065056240] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:33:00,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449501655] [2022-11-16 11:33:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:00,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:00,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:33:00,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:33:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:00,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2362 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:33:00,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:33:00,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:33:00,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449501655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:00,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:33:00,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-16 11:33:00,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942812669] [2022-11-16 11:33:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:00,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:33:00,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:33:00,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:33:00,848 INFO L87 Difference]: Start difference. First operand 177 states and 215 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 11:33:01,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:01,054 INFO L93 Difference]: Finished difference Result 291 states and 358 transitions. [2022-11-16 11:33:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:33:01,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 145 [2022-11-16 11:33:01,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:01,057 INFO L225 Difference]: With dead ends: 291 [2022-11-16 11:33:01,057 INFO L226 Difference]: Without dead ends: 179 [2022-11-16 11:33:01,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:33:01,059 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 202 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 643 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:33:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-16 11:33:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-11-16 11:33:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 117 states have internal predecessors, (132), 42 states have call successors, (42), 19 states have call predecessors, (42), 20 states have return successors, (44), 42 states have call predecessors, (44), 41 states have call successors, (44) [2022-11-16 11:33:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 218 transitions. [2022-11-16 11:33:01,084 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 218 transitions. Word has length 145 [2022-11-16 11:33:01,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:01,084 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 218 transitions. [2022-11-16 11:33:01,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 11:33:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 218 transitions. [2022-11-16 11:33:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-16 11:33:01,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:01,091 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:33:01,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:01,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:01,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:01,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:01,301 INFO L85 PathProgramCache]: Analyzing trace with hash -783624291, now seen corresponding path program 1 times [2022-11-16 11:33:01,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:01,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204654789] [2022-11-16 11:33:01,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:01,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:33:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:33:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:33:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:33:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:33:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:33:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:33:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 11:33:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 11:33:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-16 11:33:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-16 11:33:02,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:02,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204654789] [2022-11-16 11:33:02,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204654789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:33:02,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266195721] [2022-11-16 11:33:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:02,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:02,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:33:02,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 11:33:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:03,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-16 11:33:03,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:05,373 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$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 [2022-11-16 11:33:13,445 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:33:21,524 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:33:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-16 11:33:21,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:33:21,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266195721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:21,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:33:21,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-11-16 11:33:21,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258746047] [2022-11-16 11:33:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:21,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:33:21,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:21,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:33:21,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2022-11-16 11:33:21,556 INFO L87 Difference]: Start difference. First operand 179 states and 218 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:33:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:21,817 INFO L93 Difference]: Finished difference Result 298 states and 370 transitions. [2022-11-16 11:33:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:33:21,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 151 [2022-11-16 11:33:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:21,819 INFO L225 Difference]: With dead ends: 298 [2022-11-16 11:33:21,819 INFO L226 Difference]: Without dead ends: 182 [2022-11-16 11:33:21,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2022-11-16 11:33:21,820 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 5 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 293 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:21,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1055 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 293 Unchecked, 0.1s Time] [2022-11-16 11:33:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-16 11:33:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 181. [2022-11-16 11:33:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 118 states have (on average 1.1355932203389831) internal successors, (134), 118 states have internal predecessors, (134), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (44), 42 states have call predecessors, (44), 41 states have call successors, (44) [2022-11-16 11:33:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 220 transitions. [2022-11-16 11:33:21,835 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 220 transitions. Word has length 151 [2022-11-16 11:33:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:21,835 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 220 transitions. [2022-11-16 11:33:21,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:33:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 220 transitions. [2022-11-16 11:33:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-16 11:33:21,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:21,838 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:33:21,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:22,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:22,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:22,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1862607659, now seen corresponding path program 1 times [2022-11-16 11:33:22,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:22,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779899160] [2022-11-16 11:33:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:33:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:33:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:33:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:33:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:33:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:33:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:33:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:33:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:33:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-11-16 11:33:23,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:23,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779899160] [2022-11-16 11:33:23,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779899160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:23,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:23,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:33:23,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207110167] [2022-11-16 11:33:23,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:23,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:33:23,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:23,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:33:23,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:33:23,453 INFO L87 Difference]: Start difference. First operand 181 states and 220 transitions. Second operand has 11 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 11:33:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:24,557 INFO L93 Difference]: Finished difference Result 203 states and 245 transitions. [2022-11-16 11:33:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:33:24,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2022-11-16 11:33:24,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:24,559 INFO L225 Difference]: With dead ends: 203 [2022-11-16 11:33:24,559 INFO L226 Difference]: Without dead ends: 201 [2022-11-16 11:33:24,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:33:24,561 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 219 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:24,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 602 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 11:33:24,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-16 11:33:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 185. [2022-11-16 11:33:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 121 states have (on average 1.1322314049586777) internal successors, (137), 121 states have internal predecessors, (137), 42 states have call successors, (42), 21 states have call predecessors, (42), 21 states have return successors, (44), 42 states have call predecessors, (44), 41 states have call successors, (44) [2022-11-16 11:33:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2022-11-16 11:33:24,611 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 156 [2022-11-16 11:33:24,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:24,612 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2022-11-16 11:33:24,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 11:33:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2022-11-16 11:33:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-16 11:33:24,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:24,616 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:33:24,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:33:24,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:24,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:24,617 INFO L85 PathProgramCache]: Analyzing trace with hash 443989020, now seen corresponding path program 1 times [2022-11-16 11:33:24,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:24,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597032396] [2022-11-16 11:33:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:24,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:33:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:33:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:33:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:33:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:33:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:33:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:33:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:33:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:33:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:33:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-11-16 11:33:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:30,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597032396] [2022-11-16 11:33:30,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597032396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:30,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:30,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-11-16 11:33:30,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068406873] [2022-11-16 11:33:30,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:30,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 11:33:30,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:30,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 11:33:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-11-16 11:33:30,688 INFO L87 Difference]: Start difference. First operand 185 states and 223 transitions. Second operand has 25 states, 23 states have (on average 3.260869565217391) internal successors, (75), 20 states have internal predecessors, (75), 12 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) [2022-11-16 11:33:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:33,274 INFO L93 Difference]: Finished difference Result 301 states and 363 transitions. [2022-11-16 11:33:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 11:33:33,275 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 3.260869565217391) internal successors, (75), 20 states have internal predecessors, (75), 12 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) Word has length 162 [2022-11-16 11:33:33,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:33,276 INFO L225 Difference]: With dead ends: 301 [2022-11-16 11:33:33,276 INFO L226 Difference]: Without dead ends: 204 [2022-11-16 11:33:33,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640 [2022-11-16 11:33:33,278 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 325 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:33,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 469 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 11:33:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-16 11:33:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 188. [2022-11-16 11:33:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 123 states have (on average 1.1300813008130082) internal successors, (139), 124 states have internal predecessors, (139), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (46), 42 states have call predecessors, (46), 41 states have call successors, (46) [2022-11-16 11:33:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 227 transitions. [2022-11-16 11:33:33,303 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 227 transitions. Word has length 162 [2022-11-16 11:33:33,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:33,304 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 227 transitions. [2022-11-16 11:33:33,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 3.260869565217391) internal successors, (75), 20 states have internal predecessors, (75), 12 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) [2022-11-16 11:33:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 227 transitions. [2022-11-16 11:33:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-16 11:33:33,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:33,306 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-11-16 11:33:33,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:33:33,307 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1799994278, now seen corresponding path program 1 times [2022-11-16 11:33:33,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:33,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253198419] [2022-11-16 11:33:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:33:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:33:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:33:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:33:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:33:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:33:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:33:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:33:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:33:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:33:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-11-16 11:33:34,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:34,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253198419] [2022-11-16 11:33:34,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253198419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:34,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:34,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:33:34,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113490642] [2022-11-16 11:33:34,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:34,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:33:34,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:34,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:33:34,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:33:34,393 INFO L87 Difference]: Start difference. First operand 188 states and 227 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-16 11:33:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:35,440 INFO L93 Difference]: Finished difference Result 304 states and 366 transitions. [2022-11-16 11:33:35,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:33:35,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 162 [2022-11-16 11:33:35,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:35,443 INFO L225 Difference]: With dead ends: 304 [2022-11-16 11:33:35,443 INFO L226 Difference]: Without dead ends: 195 [2022-11-16 11:33:35,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:33:35,444 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 171 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:35,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 495 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 11:33:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-16 11:33:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 179. [2022-11-16 11:33:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 116 states have (on average 1.1120689655172413) internal successors, (129), 117 states have internal predecessors, (129), 41 states have call successors, (41), 20 states have call predecessors, (41), 21 states have return successors, (43), 41 states have call predecessors, (43), 40 states have call successors, (43) [2022-11-16 11:33:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 213 transitions. [2022-11-16 11:33:35,465 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 213 transitions. Word has length 162 [2022-11-16 11:33:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:35,467 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 213 transitions. [2022-11-16 11:33:35,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-16 11:33:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 213 transitions. [2022-11-16 11:33:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 11:33:35,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:35,469 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 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] [2022-11-16 11:33:35,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:33:35,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1168881178, now seen corresponding path program 1 times [2022-11-16 11:33:35,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:35,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540558749] [2022-11-16 11:33:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:33:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:33:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:33:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:33:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:33:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:33:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:33:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:33:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:33:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:33:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:33:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:33:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-16 11:33:37,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:37,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540558749] [2022-11-16 11:33:37,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540558749] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:33:37,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382041169] [2022-11-16 11:33:37,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:37,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:37,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:33:37,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 11:33:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:37,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-16 11:33:37,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-16 11:33:38,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:33:38,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382041169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:38,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:33:38,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2022-11-16 11:33:38,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222349182] [2022-11-16 11:33:38,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:38,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:33:38,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:38,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:33:38,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:33:38,046 INFO L87 Difference]: Start difference. First operand 179 states and 213 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-16 11:33:38,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:38,275 INFO L93 Difference]: Finished difference Result 311 states and 370 transitions. [2022-11-16 11:33:38,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:33:38,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 173 [2022-11-16 11:33:38,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:38,281 INFO L225 Difference]: With dead ends: 311 [2022-11-16 11:33:38,282 INFO L226 Difference]: Without dead ends: 179 [2022-11-16 11:33:38,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:33:38,285 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 21 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:38,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 837 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:33:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-16 11:33:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 174. [2022-11-16 11:33:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 112 states have (on average 1.0982142857142858) internal successors, (123), 113 states have internal predecessors, (123), 41 states have call successors, (41), 20 states have call predecessors, (41), 20 states have return successors, (42), 40 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-16 11:33:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 206 transitions. [2022-11-16 11:33:38,312 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 206 transitions. Word has length 173 [2022-11-16 11:33:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:38,312 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 206 transitions. [2022-11-16 11:33:38,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-16 11:33:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 206 transitions. [2022-11-16 11:33:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-16 11:33:38,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:38,317 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 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] [2022-11-16 11:33:38,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:38,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:38,531 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:38,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1367943333, now seen corresponding path program 1 times [2022-11-16 11:33:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:38,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275802951] [2022-11-16 11:33:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:38,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:38,598 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:33:38,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707468355] [2022-11-16 11:33:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:38,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:38,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:38,600 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:33:38,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 11:33:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:42,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 124 conjunts are in the unsatisfiable core [2022-11-16 11:33:42,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:43,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:33:43,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-16 11:33:43,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:33:43,989 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 36 treesize of output 23 [2022-11-16 11:33:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 116 proven. 7 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-16 11:33:44,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:33:46,246 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 36 treesize of output 32 [2022-11-16 11:33:46,545 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 36 treesize of output 32 [2022-11-16 11:33:47,209 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 38 treesize of output 34 [2022-11-16 11:33:47,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:47,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275802951] [2022-11-16 11:33:47,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:33:47,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707468355] [2022-11-16 11:33:47,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707468355] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:33:47,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:33:47,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-11-16 11:33:47,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130801905] [2022-11-16 11:33:47,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:33:47,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 11:33:47,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:47,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 11:33:47,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1844, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 11:33:47,635 INFO L87 Difference]: Start difference. First operand 174 states and 206 transitions. Second operand has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 21 states have internal predecessors, (85), 11 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2022-11-16 11:33:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:49,177 INFO L93 Difference]: Finished difference Result 318 states and 376 transitions. [2022-11-16 11:33:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 11:33:49,178 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 21 states have internal predecessors, (85), 11 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) Word has length 179 [2022-11-16 11:33:49,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:49,179 INFO L225 Difference]: With dead ends: 318 [2022-11-16 11:33:49,179 INFO L226 Difference]: Without dead ends: 185 [2022-11-16 11:33:49,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=232, Invalid=2960, Unknown=0, NotChecked=0, Total=3192 [2022-11-16 11:33:49,187 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 78 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 2601 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:49,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 2601 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 605 Invalid, 0 Unknown, 72 Unchecked, 0.7s Time] [2022-11-16 11:33:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-16 11:33:49,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2022-11-16 11:33:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 121 states have internal predecessors, (129), 42 states have call successors, (42), 20 states have call predecessors, (42), 22 states have return successors, (45), 41 states have call predecessors, (45), 41 states have call successors, (45) [2022-11-16 11:33:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 216 transitions. [2022-11-16 11:33:49,210 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 216 transitions. Word has length 179 [2022-11-16 11:33:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:49,210 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 216 transitions. [2022-11-16 11:33:49,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 21 states have internal predecessors, (85), 11 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2022-11-16 11:33:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 216 transitions. [2022-11-16 11:33:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-16 11:33:49,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:49,213 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 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] [2022-11-16 11:33:49,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:49,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 11:33:49,414 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:49,414 INFO L85 PathProgramCache]: Analyzing trace with hash 620768873, now seen corresponding path program 1 times [2022-11-16 11:33:49,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:49,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322638488] [2022-11-16 11:33:49,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:33:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:33:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:33:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:33:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:33:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:33:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:33:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:33:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:33:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-16 11:33:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:33:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:33:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:33:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 11:33:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-16 11:33:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:33:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:33:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:33:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:33:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:33:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:33:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:33:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 11:33:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-16 11:33:50,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:50,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322638488] [2022-11-16 11:33:50,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322638488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:50,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:50,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:33:50,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147621641] [2022-11-16 11:33:50,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:50,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:33:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:50,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:33:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:33:50,359 INFO L87 Difference]: Start difference. First operand 183 states and 216 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (31), 5 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:33:51,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:51,220 INFO L93 Difference]: Finished difference Result 343 states and 401 transitions. [2022-11-16 11:33:51,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:33:51,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (31), 5 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185 [2022-11-16 11:33:51,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:51,222 INFO L225 Difference]: With dead ends: 343 [2022-11-16 11:33:51,222 INFO L226 Difference]: Without dead ends: 180 [2022-11-16 11:33:51,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:33:51,223 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 109 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:51,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 508 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 11:33:51,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-16 11:33:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2022-11-16 11:33:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 111 states have (on average 1.0810810810810811) internal successors, (120), 112 states have internal predecessors, (120), 40 states have call successors, (40), 20 states have call predecessors, (40), 20 states have return successors, (41), 39 states have call predecessors, (41), 39 states have call successors, (41) [2022-11-16 11:33:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 201 transitions. [2022-11-16 11:33:51,244 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 201 transitions. Word has length 185 [2022-11-16 11:33:51,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:51,245 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 201 transitions. [2022-11-16 11:33:51,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (31), 5 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:33:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 201 transitions. [2022-11-16 11:33:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-16 11:33:51,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:51,248 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 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] [2022-11-16 11:33:51,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:33:51,248 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 555700647, now seen corresponding path program 1 times [2022-11-16 11:33:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:51,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433060705] [2022-11-16 11:33:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:51,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:51,319 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:33:51,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762913766] [2022-11-16 11:33:51,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:51,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:33:51,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:51,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:33:51,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 11:33:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:33:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:33:51,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:33:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-16 11:33:52,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:33:52,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:33:52,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433060705] [2022-11-16 11:33:52,030 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:33:52,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762913766] [2022-11-16 11:33:52,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762913766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:33:52,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:33:52,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:33:52,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208018717] [2022-11-16 11:33:52,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:33:52,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:33:52,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:33:52,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:33:52,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:33:52,033 INFO L87 Difference]: Start difference. First operand 172 states and 201 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:33:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:33:52,062 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2022-11-16 11:33:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:33:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 185 [2022-11-16 11:33:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:33:52,063 INFO L225 Difference]: With dead ends: 182 [2022-11-16 11:33:52,063 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:33:52,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:33:52,064 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:33:52,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 272 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:33:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:33:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:33:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:33:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:33:52,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2022-11-16 11:33:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:33:52,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:33:52,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:33:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:33:52,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:33:52,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:33:52,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:33:52,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 11:33:52,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:33:53,402 INFO L899 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2022-11-16 11:33:53,402 INFO L895 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,402 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,402 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2022-11-16 11:33:53,402 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2022-11-16 11:33:53,402 INFO L902 garLoopResultBuilder]: At program point L10017-4(line 10017) the Hoare annotation is: true [2022-11-16 11:33:53,402 INFO L899 garLoopResultBuilder]: For program point L10017-5(line 10017) no Hoare annotation was computed. [2022-11-16 11:33:53,402 INFO L899 garLoopResultBuilder]: For program point L10017-7(line 10017) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point L10017(line 10017) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point L10017-2(line 10017) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point L10017-3(line 10017) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L902 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 10015 10018) the Hoare annotation is: true [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 10015 10018) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 10015 10018) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-16 11:33:53,403 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-16 11:33:53,403 INFO L895 garLoopResultBuilder]: At program point hash_table_state_required_bytesENTRY(lines 10128 10140) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,403 INFO L899 garLoopResultBuilder]: For program point L10135-2(lines 10135 10137) no Hoare annotation was computed. [2022-11-16 11:33:53,404 INFO L895 garLoopResultBuilder]: At program point L10131(line 10131) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= hash_table_state_required_bytes_~size |hash_table_state_required_bytes_#in~size|) (= (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| (select |#valid| |hash_table_state_required_bytes_~#elemsize~0.base|)) |#valid|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|) (= |hash_table_state_required_bytes_~#elemsize~0.offset| 0))) [2022-11-16 11:33:53,405 INFO L899 garLoopResultBuilder]: For program point L10131-1(line 10131) no Hoare annotation was computed. [2022-11-16 11:33:53,405 INFO L895 garLoopResultBuilder]: At program point L10135(line 10135) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (let ((.cse0 (* |hash_table_state_required_bytes_#in~size| 24))) (and (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= hash_table_state_required_bytes_~size |hash_table_state_required_bytes_#in~size|) (= (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| (select |#valid| |hash_table_state_required_bytes_~#elemsize~0.base|)) |#valid|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|) (= .cse0 |hash_table_state_required_bytes_#t~mem1321|) (= |hash_table_state_required_bytes_~#elemsize~0.offset| 0) (= (select (select |#memory_int| |hash_table_state_required_bytes_~#elemsize~0.base|) |hash_table_state_required_bytes_~#elemsize~0.offset|) .cse0)))) [2022-11-16 11:33:53,405 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10128 10140) no Hoare annotation was computed. [2022-11-16 11:33:53,405 INFO L899 garLoopResultBuilder]: For program point L10135-1(line 10135) no Hoare annotation was computed. [2022-11-16 11:33:53,405 INFO L899 garLoopResultBuilder]: For program point L10131-2(lines 10131 10133) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10128 10140) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L902 garLoopResultBuilder]: At program point memset_override_0_implENTRY(lines 7397 7412) the Hoare annotation is: true [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point memset_override_0_implFINAL(lines 7397 7412) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point L7403-1(line 7403) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L902 garLoopResultBuilder]: At program point L7403(line 7403) the Hoare annotation is: true [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point L7407-4(lines 7407 7409) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L902 garLoopResultBuilder]: At program point L7407-3(lines 7407 7409) the Hoare annotation is: true [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point L7407-2(lines 7407 7409) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point memset_override_0_implEXIT(lines 7397 7412) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L902 garLoopResultBuilder]: At program point L7398(line 7398) the Hoare annotation is: true [2022-11-16 11:33:53,406 INFO L899 garLoopResultBuilder]: For program point L7400(line 7400) no Hoare annotation was computed. [2022-11-16 11:33:53,406 INFO L902 garLoopResultBuilder]: At program point L7398-1(line 7398) the Hoare annotation is: true [2022-11-16 11:33:53,407 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2022-11-16 11:33:53,407 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2022-11-16 11:33:53,407 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2022-11-16 11:33:53,407 INFO L895 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,407 INFO L895 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: (let ((.cse0 (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|)) (.cse1 (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|)) (.cse2 (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|)) (.cse3 (= |old(#valid)| |#valid|)) (.cse4 (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|)) (.cse5 (< 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 (<= (+ |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 1) 0) .cse2 .cse3 .cse4 .cse5) (not .cse5) (and (= (* |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_#in~a#1|) (select (select |#memory_int| |aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_#in~r#1.offset|)) .cse0 (= ~tl_last_error~0 |old(~tl_last_error~0)|) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 11:33:53,407 INFO L895 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |old(#valid)| |#valid|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|))) [2022-11-16 11:33:53,407 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2022-11-16 11:33:53,407 INFO L895 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |old(#valid)| |#valid|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|))) [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point L6852(line 6852) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2022-11-16 11:33:53,408 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L902 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 10026 10073) the Hoare annotation is: true [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point L10028(lines 10028 10032) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 10026 10073) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 10026 10073) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point L10054-1(line 10054) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L902 garLoopResultBuilder]: At program point L10054(line 10054) the Hoare annotation is: true [2022-11-16 11:33:53,409 INFO L902 garLoopResultBuilder]: At program point my_memsetENTRY(lines 7414 7416) the Hoare annotation is: true [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point my_memsetFINAL(lines 7414 7416) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L899 garLoopResultBuilder]: For program point L7415-1(line 7415) no Hoare annotation was computed. [2022-11-16 11:33:53,409 INFO L902 garLoopResultBuilder]: At program point L7415(line 7415) the Hoare annotation is: true [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point my_memsetEXIT(lines 7414 7416) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L895 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 11:33:53,410 INFO L899 garLoopResultBuilder]: For program point L9941(lines 9941 9943) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L902 garLoopResultBuilder]: At program point L9945(line 9945) the Hoare annotation is: true [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point L9945-1(line 9945) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L902 garLoopResultBuilder]: At program point L9954(line 9954) the Hoare annotation is: true [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_clearEXIT(lines 9933 9958) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L902 garLoopResultBuilder]: At program point aws_hash_table_clearENTRY(lines 9933 9958) the Hoare annotation is: true [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point L9954-1(line 9954) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point L9938(line 9938) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_clearFINAL(lines 9933 9958) no Hoare annotation was computed. [2022-11-16 11:33:53,411 INFO L902 garLoopResultBuilder]: At program point L9934-1(line 9934) the Hoare annotation is: true [2022-11-16 11:33:53,411 INFO L899 garLoopResultBuilder]: For program point L9934-2(line 9934) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9938-2(lines 9938 9951) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9938-3(lines 9938 9951) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L902 garLoopResultBuilder]: At program point L9934(line 9934) the Hoare annotation is: true [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9947(lines 9947 9949) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9939-1(lines 9939 9950) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L902 garLoopResultBuilder]: At program point L9939-3(lines 9939 9950) the Hoare annotation is: true [2022-11-16 11:33:53,412 INFO L902 garLoopResultBuilder]: At program point L9939-4(lines 9939 9950) the Hoare annotation is: true [2022-11-16 11:33:53,412 INFO L902 garLoopResultBuilder]: At program point L9948(line 9948) the Hoare annotation is: true [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9948-1(line 9948) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9944(lines 9944 9946) no Hoare annotation was computed. [2022-11-16 11:33:53,412 INFO L899 garLoopResultBuilder]: For program point L9944-2(lines 9944 9946) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L902 garLoopResultBuilder]: At program point L9957(line 9957) the Hoare annotation is: true [2022-11-16 11:33:53,413 INFO L902 garLoopResultBuilder]: At program point L9957-1(line 9957) the Hoare annotation is: true [2022-11-16 11:33:53,413 INFO L899 garLoopResultBuilder]: For program point L9957-2(line 9957) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,413 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2022-11-16 11:33:53,413 INFO L902 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2022-11-16 11:33:53,413 INFO L895 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: (let ((.cse1 (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|)) (.cse2 (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|)) (.cse3 (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|)) (.cse4 (= |old(#valid)| |#valid|)) (.cse5 (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|)) (.cse0 (< 0 |#StackHeapBarrier|))) (or (not .cse0) (and .cse1 .cse2 .cse3 (<= (+ |aws_add_size_checked_aws_add_u64_checked_#res#1| 1) 0) .cse4 .cse5 .cse0) (and .cse1 (= (select (select |#memory_int| |aws_add_size_checked_#in~r#1.base|) |aws_add_size_checked_#in~r#1.offset|) (+ |aws_add_size_checked_#in~b#1| |aws_add_size_checked_#in~a#1|)) .cse2 .cse3 .cse4 .cse5 .cse0))) [2022-11-16 11:33:53,414 INFO L895 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-16 11:33:53,414 INFO L895 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|))) [2022-11-16 11:33:53,414 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2022-11-16 11:33:53,414 INFO L895 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|)) (not (< 0 |#StackHeapBarrier|))) [2022-11-16 11:33:53,414 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2022-11-16 11:33:53,414 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2022-11-16 11:33:53,414 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2022-11-16 11:33:53,414 INFO L899 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2022-11-16 11:33:53,415 INFO L895 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|)) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:33:53,415 INFO L895 garLoopResultBuilder]: At program point L6811-1(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:33:53,415 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:33:53,415 INFO L899 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2022-11-16 11:33:53,415 INFO L895 garLoopResultBuilder]: At program point L6815-2(line 6815) the Hoare annotation is: (let ((.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|)) (.cse2 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|)) (.cse3 (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) (.cse4 (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0)) (.cse5 (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1)) (.cse7 (< 0 |#StackHeapBarrier|))) (or (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset|))) (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (<= (mod (div (+ (- 29629528) (- .cse0)) (- 24)) 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret548#1| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (mod (+ (* 23 .cse0) 8) 24) 0) .cse1 .cse2 .cse3 .cse4 (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) .cse5 .cse6 .cse7)) (and (<= (+ |ULTIMATE.start_ensure_allocated_hash_table_#t~ret548#1| 1) 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2022-11-16 11:33:53,415 INFO L899 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2022-11-16 11:33:53,415 INFO L895 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: false [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point L7179-1(line 7179) no Hoare annotation was computed. [2022-11-16 11:33:53,416 INFO L895 garLoopResultBuilder]: At program point L7179(line 7179) the Hoare annotation is: false [2022-11-16 11:33:53,416 INFO L895 garLoopResultBuilder]: At program point L10148(line 10148) the Hoare annotation is: false [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7183) no Hoare annotation was computed. [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point L10148-1(line 10148) no Hoare annotation was computed. [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,416 INFO L895 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset|))) (and (<= (mod (div (+ (- 29629528) (- .cse0)) (- 24)) 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (mod (+ (* 23 .cse0) 8) 24) 0) (= (mod (+ (* 23 |ULTIMATE.start_ensure_allocated_hash_table_#t~mem549#1|) 8) 24) 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (<= (mod (div (+ (- 29629528) (- |ULTIMATE.start_ensure_allocated_hash_table_#t~mem549#1|)) (- 24)) 18446744073709551616) 4) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|)) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|))) [2022-11-16 11:33:53,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,417 INFO L899 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2022-11-16 11:33:53,417 INFO L895 garLoopResultBuilder]: At program point L10144(line 10144) the Hoare annotation is: false [2022-11-16 11:33:53,417 INFO L895 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:33:53,417 INFO L895 garLoopResultBuilder]: At program point L10144-1(line 10144) the Hoare annotation is: false [2022-11-16 11:33:53,417 INFO L899 garLoopResultBuilder]: For program point L10144-2(line 10144) no Hoare annotation was computed. [2022-11-16 11:33:53,417 INFO L899 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2022-11-16 11:33:53,417 INFO L895 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: false [2022-11-16 11:33:53,417 INFO L895 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: false [2022-11-16 11:33:53,417 INFO L899 garLoopResultBuilder]: For program point L7180-1(line 7180) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L895 garLoopResultBuilder]: At program point L7180(line 7180) the Hoare annotation is: false [2022-11-16 11:33:53,418 INFO L895 garLoopResultBuilder]: At program point L10149(line 10149) the Hoare annotation is: false [2022-11-16 11:33:53,418 INFO L895 garLoopResultBuilder]: At program point L10149-1(line 10149) the Hoare annotation is: false [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L6825-1(line 6825) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L7176(lines 7176 7182) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L895 garLoopResultBuilder]: At program point L6825(line 6825) the Hoare annotation is: false [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L6821(lines 6821 6828) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L10141(lines 10141 10153) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2022-11-16 11:33:53,418 INFO L899 garLoopResultBuilder]: For program point L7185(lines 7185 7187) no Hoare annotation was computed. [2022-11-16 11:33:53,419 INFO L902 garLoopResultBuilder]: At program point L10154(line 10154) the Hoare annotation is: true [2022-11-16 11:33:53,419 INFO L899 garLoopResultBuilder]: For program point L7181-1(line 7181) no Hoare annotation was computed. [2022-11-16 11:33:53,419 INFO L895 garLoopResultBuilder]: At program point L7181(line 7181) the Hoare annotation is: false [2022-11-16 11:33:53,419 INFO L895 garLoopResultBuilder]: At program point L6822(line 6822) the Hoare annotation is: false [2022-11-16 11:33:53,419 INFO L899 garLoopResultBuilder]: For program point L10150-1(line 10150) no Hoare annotation was computed. [2022-11-16 11:33:53,419 INFO L899 garLoopResultBuilder]: For program point L6822-1(line 6822) no Hoare annotation was computed. [2022-11-16 11:33:53,419 INFO L895 garLoopResultBuilder]: At program point L10150(line 10150) the Hoare annotation is: false [2022-11-16 11:33:53,419 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|) (= |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_clear_harness_~#map~0#1.base|) 1) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:33:53,419 INFO L895 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: false [2022-11-16 11:33:53,419 INFO L899 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L895 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: false [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:33:53,420 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-16 11:33:53,423 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:53,426 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:33:53,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:33:53 BoogieIcfgContainer [2022-11-16 11:33:53,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:33:53,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:33:53,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:33:53,441 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:33:53,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:32:52" (3/4) ... [2022-11-16 11:33:53,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memset [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memset_override_0_impl [2022-11-16 11:33:53,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_clear [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-16 11:33:53,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:33:53,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 11:33:53,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2022-11-16 11:33:53,464 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2022-11-16 11:33:53,465 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2022-11-16 11:33:53,466 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 11:33:53,467 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 11:33:53,468 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 11:33:53,469 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:33:53,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:33:53,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:33:53,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((r == r && \old(a) == a) && \result + 1 <= 0) && \old(b) == b) && \old(\valid) == \valid) && r == r) && 0 < unknown-#StackHeapBarrier-unknown) || !(0 < unknown-#StackHeapBarrier-unknown)) || (((((((\old(b) * \old(a) == unknown-#memory_int-unknown[r][r] && r == r) && tl_last_error == \old(tl_last_error)) && \old(a) == a) && \old(b) == b) && \old(\valid) == \valid) && r == r) && 0 < unknown-#StackHeapBarrier-unknown) [2022-11-16 11:33:53,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 < unknown-#StackHeapBarrier-unknown) || ((((((\old(b) == b && r == r) && r == r) && \result + 1 <= 0) && \old(\valid) == \valid) && \old(a) == a) && 0 < unknown-#StackHeapBarrier-unknown)) || ((((((\old(b) == b && unknown-#memory_int-unknown[r][r] == \old(b) + \old(a)) && r == r) && r == r) && \old(\valid) == \valid) && \old(a) == a) && 0 < unknown-#StackHeapBarrier-unknown) [2022-11-16 11:33:54,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:33:54,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:33:54,028 INFO L158 Benchmark]: Toolchain (without parser) took 67139.48ms. Allocated memory was 104.9MB in the beginning and 507.5MB in the end (delta: 402.7MB). Free memory was 72.7MB in the beginning and 275.5MB in the end (delta: -202.8MB). Peak memory consumption was 197.9MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,029 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:33:54,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3405.90ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 72.5MB in the beginning and 119.6MB in the end (delta: -47.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.65ms. Allocated memory is still 186.6MB. Free memory was 119.6MB in the beginning and 108.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,030 INFO L158 Benchmark]: Boogie Preprocessor took 96.68ms. Allocated memory is still 186.6MB. Free memory was 108.9MB in the beginning and 101.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,030 INFO L158 Benchmark]: RCFGBuilder took 1726.37ms. Allocated memory is still 186.6MB. Free memory was 101.7MB in the beginning and 96.6MB in the end (delta: 5.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,030 INFO L158 Benchmark]: TraceAbstraction took 61114.94ms. Allocated memory was 186.6MB in the beginning and 507.5MB in the end (delta: 320.9MB). Free memory was 95.6MB in the beginning and 398.2MB in the end (delta: -302.6MB). Peak memory consumption was 276.2MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,031 INFO L158 Benchmark]: Witness Printer took 586.93ms. Allocated memory is still 507.5MB. Free memory was 398.2MB in the beginning and 275.5MB in the end (delta: 122.7MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2022-11-16 11:33:54,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3405.90ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 72.5MB in the beginning and 119.6MB in the end (delta: -47.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.65ms. Allocated memory is still 186.6MB. Free memory was 119.6MB in the beginning and 108.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.68ms. Allocated memory is still 186.6MB. Free memory was 108.9MB in the beginning and 101.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1726.37ms. Allocated memory is still 186.6MB. Free memory was 101.7MB in the beginning and 96.6MB in the end (delta: 5.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 61114.94ms. Allocated memory was 186.6MB in the beginning and 507.5MB in the end (delta: 320.9MB). Free memory was 95.6MB in the beginning and 398.2MB in the end (delta: -302.6MB). Peak memory consumption was 276.2MB. Max. memory is 16.1GB. * Witness Printer took 586.93ms. Allocated memory is still 507.5MB. Free memory was 398.2MB in the beginning and 275.5MB in the end (delta: 122.7MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.0s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1217 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1154 mSDsluCounter, 9607 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 399 IncrementalHoareTripleChecker+Unchecked, 7918 mSDsCounter, 543 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5598 IncrementalHoareTripleChecker+Invalid, 6540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 543 mSolverCounterUnsat, 1689 mSDtfsCounter, 5598 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1939 GetRequests, 1730 SyntacticMatches, 1 SemanticMatches, 208 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 24.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=7, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 64 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 555 PreInvPairs, 600 NumberOfFragments, 838 HoareAnnotationTreeSize, 555 FomulaSimplifications, 199 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 374 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 38.6s InterpolantComputationTime, 2535 NumberOfCodeBlocks, 2535 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2519 ConstructedInterpolants, 16 QuantifiedInterpolants, 5859 SizeOfPredicates, 73 NumberOfNonLiveVariables, 19519 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 3151/3196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: (((((((r == r && \old(a) == a) && \result + 1 <= 0) && \old(b) == b) && \old(\valid) == \valid) && r == r) && 0 < unknown-#StackHeapBarrier-unknown) || !(0 < unknown-#StackHeapBarrier-unknown)) || (((((((\old(b) * \old(a) == unknown-#memory_int-unknown[r][r] && r == r) && tl_last_error == \old(tl_last_error)) && \old(a) == a) && \old(b) == b) && \old(\valid) == \valid) && r == r) && 0 < unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: (!(0 < unknown-#StackHeapBarrier-unknown) || ((((((\old(b) == b && r == r) && r == r) && \result + 1 <= 0) && \old(\valid) == \valid) && \old(a) == a) && 0 < unknown-#StackHeapBarrier-unknown)) || ((((((\old(b) == b && unknown-#memory_int-unknown[r][r] == \old(b) + \old(a)) && r == r) && r == r) && \old(\valid) == \valid) && \old(a) == a) && 0 < unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 9939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9939]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:33:54,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e0447e-7b76-4806-ae9f-b6aede83ac61/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE