./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 fe7c8437c4e8e4a9eba5347957f7f909106bcd2e8ac9c6d24986782964465428 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:18,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:18,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:05:18,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:18,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:18,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:18,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:18,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:18,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:18,962 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:18,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:18,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:18,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:18,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:18,966 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:18,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:18,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:18,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:18,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:18,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:18,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:18,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:18,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:18,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:18,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:18,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:18,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:18,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:18,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:18,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:18,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:18,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:18,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:18,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:18,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:18,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:18,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:18,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:18,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:18,980 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7c8437c4e8e4a9eba5347957f7f909106bcd2e8ac9c6d24986782964465428 [2023-11-21 22:05:19,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:19,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:19,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:19,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:19,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:19,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2023-11-21 22:05:22,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:23,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:23,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2023-11-21 22:05:23,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/data/70e873b79/9f696521de414b4683178560293c5f34/FLAG6f54adee3 [2023-11-21 22:05:23,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/data/70e873b79/9f696521de414b4683178560293c5f34 [2023-11-21 22:05:23,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:23,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:23,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:23,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:23,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:23,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:23" (1/1) ... [2023-11-21 22:05:23,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c33c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:23, skipping insertion in model container [2023-11-21 22:05:23,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:23" (1/1) ... [2023-11-21 22:05:23,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:23,689 WARN L240 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_d73fa440-2247-4352-be8e-23cf806f48bf/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2023-11-21 22:05:23,698 WARN L240 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_d73fa440-2247-4352-be8e-23cf806f48bf/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2023-11-21 22:05:24,825 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,830 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,832 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,836 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,857 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,858 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,860 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,861 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,865 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:24,870 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,288 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:05:25,289 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:05:25,291 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:05:25,292 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:05:25,294 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:05:25,295 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:05:25,296 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:05:25,297 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:05:25,298 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:05:25,298 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:05:25,592 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,611 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,707 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,708 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,708 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,710 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,710 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,711 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,717 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,717 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,722 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,730 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,731 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,732 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:25,784 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:25,811 WARN L240 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_d73fa440-2247-4352-be8e-23cf806f48bf/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2023-11-21 22:05:25,814 WARN L240 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_d73fa440-2247-4352-be8e-23cf806f48bf/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2023-11-21 22:05:25,975 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,976 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,977 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,977 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,978 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,990 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,991 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,995 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,996 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,997 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:25,998 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,008 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,009 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,071 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:05:26,074 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:05:26,076 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:05:26,078 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:05:26,079 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:05:26,080 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:05:26,080 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:05:26,081 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:05:26,081 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:05:26,082 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:05:26,155 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,161 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2023-11-21 22:05:26,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,190 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,191 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,191 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,191 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,195 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,195 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,196 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,196 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,197 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,197 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,206 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,207 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,207 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:05:26,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:26,564 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,564 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,565 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,565 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,565 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,565 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,566 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,567 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,567 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,567 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,568 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,568 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,568 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,569 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,569 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:26,577 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:26,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26 WrapperNode [2023-11-21 22:05:26,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:26,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:26,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:26,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:26,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,815 INFO L138 Inliner]: procedures = 696, calls = 1919, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1036 [2023-11-21 22:05:26,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:26,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:26,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:26,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:26,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,863 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,038 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:05:27,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:27,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:27,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:27,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:27,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:27,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:27,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:27,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:27,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2023-11-21 22:05:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2023-11-21 22:05:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-21 22:05:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-21 22:05:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:05:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-21 22:05:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-21 22:05:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-21 22:05:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-21 22:05:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 22:05:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 22:05:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2023-11-21 22:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2023-11-21 22:05:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:05:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:05:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 22:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 22:05:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:05:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2023-11-21 22:05:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2023-11-21 22:05:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:05:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:05:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2023-11-21 22:05:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2023-11-21 22:05:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-21 22:05:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-21 22:05:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 22:05:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 22:05:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 22:05:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 22:05:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:05:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-21 22:05:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-21 22:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-21 22:05:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-21 22:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-21 22:05:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-21 22:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:05:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:05:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-21 22:05:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-21 22:05:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2023-11-21 22:05:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2023-11-21 22:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-21 22:05:27,298 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-21 22:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 22:05:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 22:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 22:05:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 22:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-21 22:05:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-21 22:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-21 22:05:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-21 22:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:05:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 22:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2023-11-21 22:05:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2023-11-21 22:05:27,700 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:27,704 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:30,518 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:31,027 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:31,028 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 22:05:31,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:31 BoogieIcfgContainer [2023-11-21 22:05:31,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:31,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:31,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:31,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:31,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:23" (1/3) ... [2023-11-21 22:05:31,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c07dd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:31, skipping insertion in model container [2023-11-21 22:05:31,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26" (2/3) ... [2023-11-21 22:05:31,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c07dd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:31, skipping insertion in model container [2023-11-21 22:05:31,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:31" (3/3) ... [2023-11-21 22:05:31,072 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2023-11-21 22:05:31,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:31,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:05:31,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:31,188 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=LoopHeads, 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;@5c7d6f14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:31,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:05:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 193 states have (on average 1.2072538860103628) internal successors, (233), 196 states have internal predecessors, (233), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-11-21 22:05:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 22:05:31,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:31,215 INFO L195 NwaCegarLoop]: trace histogram [9, 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] [2023-11-21 22:05:31,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:31,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:31,222 INFO L85 PathProgramCache]: Analyzing trace with hash 765875596, now seen corresponding path program 1 times [2023-11-21 22:05:31,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:31,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373786918] [2023-11-21 22:05:31,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:05:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:05:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:05:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:05:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:05:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:05:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:05:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:05:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:05:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:05:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-21 22:05:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:05:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:05:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 22:05:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-21 22:05:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-21 22:05:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-21 22:05:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-21 22:05:32,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:32,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373786918] [2023-11-21 22:05:32,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373786918] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:05:32,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82439856] [2023-11-21 22:05:32,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:32,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:32,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:32,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:32,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:05:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:33,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:05:33,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 22:05:33,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82439856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:33,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:05:33,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-21 22:05:33,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549880333] [2023-11-21 22:05:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:33,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:05:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:33,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:05:33,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:05:33,998 INFO L87 Difference]: Start difference. First operand has 378 states, 193 states have (on average 1.2072538860103628) internal successors, (233), 196 states have internal predecessors, (233), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-21 22:05:35,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:36,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:36,978 INFO L93 Difference]: Finished difference Result 727 states and 1117 transitions. [2023-11-21 22:05:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:05:36,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 101 [2023-11-21 22:05:36,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:37,006 INFO L225 Difference]: With dead ends: 727 [2023-11-21 22:05:37,007 INFO L226 Difference]: Without dead ends: 377 [2023-11-21 22:05:37,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:05:37,028 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 41 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:37,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1793 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-21 22:05:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-11-21 22:05:37,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2023-11-21 22:05:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 196 states have internal predecessors, (229), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (167), 154 states have call predecessors, (167), 154 states have call successors, (167) [2023-11-21 22:05:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 552 transitions. [2023-11-21 22:05:37,186 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 552 transitions. Word has length 101 [2023-11-21 22:05:37,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:37,187 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 552 transitions. [2023-11-21 22:05:37,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-21 22:05:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 552 transitions. [2023-11-21 22:05:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 22:05:37,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:37,205 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 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] [2023-11-21 22:05:37,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:37,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:05:37,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:37,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash 689271386, now seen corresponding path program 1 times [2023-11-21 22:05:37,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:37,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782480481] [2023-11-21 22:05:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:05:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:05:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:05:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:05:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:05:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:05:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:05:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:05:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-21 22:05:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-21 22:05:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-21 22:05:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-21 22:05:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-21 22:05:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:05:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-21 22:05:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:05:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-21 22:05:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-21 22:05:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-21 22:05:38,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:38,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782480481] [2023-11-21 22:05:38,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782480481] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:05:38,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853992738] [2023-11-21 22:05:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:38,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:38,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:05:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:39,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:05:39,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 22:05:39,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:39,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853992738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:39,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:05:39,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-11-21 22:05:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575119591] [2023-11-21 22:05:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:39,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:05:39,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:39,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:05:39,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-21 22:05:39,664 INFO L87 Difference]: Start difference. First operand 377 states and 552 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-21 22:05:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:42,127 INFO L93 Difference]: Finished difference Result 737 states and 1111 transitions. [2023-11-21 22:05:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:05:42,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 109 [2023-11-21 22:05:42,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:42,134 INFO L225 Difference]: With dead ends: 737 [2023-11-21 22:05:42,135 INFO L226 Difference]: Without dead ends: 390 [2023-11-21 22:05:42,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:05:42,140 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 55 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 2611 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:42,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 2611 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-21 22:05:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-21 22:05:42,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 388. [2023-11-21 22:05:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 200 states have (on average 1.195) internal successors, (239), 204 states have internal predecessors, (239), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-21 22:05:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 583 transitions. [2023-11-21 22:05:42,193 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 583 transitions. Word has length 109 [2023-11-21 22:05:42,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:42,194 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 583 transitions. [2023-11-21 22:05:42,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-21 22:05:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 583 transitions. [2023-11-21 22:05:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-21 22:05:42,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:42,197 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:42,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:42,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:42,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:42,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:42,412 INFO L85 PathProgramCache]: Analyzing trace with hash 6899121, now seen corresponding path program 1 times [2023-11-21 22:05:42,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:42,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295353992] [2023-11-21 22:05:42,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:42,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:42,550 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:05:42,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240996315] [2023-11-21 22:05:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:42,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:42,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:42,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:42,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 22:05:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:43,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:05:43,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 22:05:43,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:43,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295353992] [2023-11-21 22:05:43,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:05:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240996315] [2023-11-21 22:05:43,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240996315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:43,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:43,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:05:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195565878] [2023-11-21 22:05:43,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:43,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:05:43,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:05:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:05:43,398 INFO L87 Difference]: Start difference. First operand 388 states and 583 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-21 22:05:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:45,781 INFO L93 Difference]: Finished difference Result 752 states and 1158 transitions. [2023-11-21 22:05:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:05:45,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 118 [2023-11-21 22:05:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:45,788 INFO L225 Difference]: With dead ends: 752 [2023-11-21 22:05:45,788 INFO L226 Difference]: Without dead ends: 394 [2023-11-21 22:05:45,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:05:45,793 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 48 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:45,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 2226 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-21 22:05:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-21 22:05:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 388. [2023-11-21 22:05:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 200 states have (on average 1.195) internal successors, (239), 204 states have internal predecessors, (239), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-21 22:05:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 583 transitions. [2023-11-21 22:05:45,839 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 583 transitions. Word has length 118 [2023-11-21 22:05:45,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:45,842 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 583 transitions. [2023-11-21 22:05:45,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-21 22:05:45,843 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 583 transitions. [2023-11-21 22:05:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-21 22:05:45,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:45,846 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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] [2023-11-21 22:05:45,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:46,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:46,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:46,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:46,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1209811929, now seen corresponding path program 1 times [2023-11-21 22:05:46,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:46,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679538183] [2023-11-21 22:05:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:46,310 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:05:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270961801] [2023-11-21 22:05:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:46,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:46,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:46,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:46,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 22:05:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:47,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:05:47,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-21 22:05:47,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:47,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:47,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679538183] [2023-11-21 22:05:47,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:05:47,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270961801] [2023-11-21 22:05:47,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270961801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:47,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:47,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:05:47,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53025880] [2023-11-21 22:05:47,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:47,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:05:47,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:05:47,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:05:47,195 INFO L87 Difference]: Start difference. First operand 388 states and 583 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-21 22:05:49,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:49,662 INFO L93 Difference]: Finished difference Result 754 states and 1150 transitions. [2023-11-21 22:05:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:05:49,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 126 [2023-11-21 22:05:49,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:49,668 INFO L225 Difference]: With dead ends: 754 [2023-11-21 22:05:49,668 INFO L226 Difference]: Without dead ends: 396 [2023-11-21 22:05:49,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:05:49,673 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 71 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 3001 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:49,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 3001 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-21 22:05:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-21 22:05:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 388. [2023-11-21 22:05:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 200 states have (on average 1.195) internal successors, (239), 204 states have internal predecessors, (239), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-21 22:05:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 583 transitions. [2023-11-21 22:05:49,729 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 583 transitions. Word has length 126 [2023-11-21 22:05:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:49,730 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 583 transitions. [2023-11-21 22:05:49,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-21 22:05:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 583 transitions. [2023-11-21 22:05:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-21 22:05:49,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:49,733 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:49,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:49,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:49,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:49,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:49,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2030625446, now seen corresponding path program 2 times [2023-11-21 22:05:49,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:49,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583542119] [2023-11-21 22:05:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:49,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:50,128 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:05:50,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311678158] [2023-11-21 22:05:50,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:05:50,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:50,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:50,132 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:50,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 22:05:50,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 22:05:50,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:05:50,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:05:50,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-21 22:05:50,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:50,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583542119] [2023-11-21 22:05:50,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:05:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311678158] [2023-11-21 22:05:50,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311678158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:50,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:50,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:05:50,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107577257] [2023-11-21 22:05:50,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:50,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:05:50,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:50,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:05:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:05:50,862 INFO L87 Difference]: Start difference. First operand 388 states and 583 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-21 22:05:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:52,833 INFO L93 Difference]: Finished difference Result 396 states and 591 transitions. [2023-11-21 22:05:52,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:05:52,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 135 [2023-11-21 22:05:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:52,838 INFO L225 Difference]: With dead ends: 396 [2023-11-21 22:05:52,838 INFO L226 Difference]: Without dead ends: 394 [2023-11-21 22:05:52,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:05:52,839 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 5 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:52,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2440 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-21 22:05:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-21 22:05:52,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 393. [2023-11-21 22:05:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 203 states have (on average 1.1921182266009853) internal successors, (242), 207 states have internal predecessors, (242), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (187), 158 states have call predecessors, (187), 157 states have call successors, (187) [2023-11-21 22:05:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 588 transitions. [2023-11-21 22:05:52,869 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 588 transitions. Word has length 135 [2023-11-21 22:05:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:52,870 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 588 transitions. [2023-11-21 22:05:52,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-21 22:05:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 588 transitions. [2023-11-21 22:05:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-21 22:05:52,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:52,873 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-21 22:05:52,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:53,088 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:53,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash -414797267, now seen corresponding path program 3 times [2023-11-21 22:05:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:53,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776622851] [2023-11-21 22:05:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:53,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:05:53,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239221144] [2023-11-21 22:05:53,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-21 22:05:53,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:05:53,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:53,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:05:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 22:05:54,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-21 22:05:54,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:05:54,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 22:05:54,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-21 22:05:54,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:05:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-21 22:05:55,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:55,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776622851] [2023-11-21 22:05:55,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:05:55,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239221144] [2023-11-21 22:05:55,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239221144] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:05:55,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:05:55,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2023-11-21 22:05:55,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87167052] [2023-11-21 22:05:55,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:05:55,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 22:05:55,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:55,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 22:05:55,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:05:55,054 INFO L87 Difference]: Start difference. First operand 393 states and 588 transitions. Second operand has 11 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-21 22:05:59,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:59,519 INFO L93 Difference]: Finished difference Result 724 states and 1114 transitions. [2023-11-21 22:05:59,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:05:59,519 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 144 [2023-11-21 22:05:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:59,528 INFO L225 Difference]: With dead ends: 724 [2023-11-21 22:05:59,529 INFO L226 Difference]: Without dead ends: 394 [2023-11-21 22:05:59,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:05:59,533 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 6 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:59,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4504 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-21 22:05:59,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-21 22:05:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 393. [2023-11-21 22:05:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 203 states have (on average 1.1921182266009853) internal successors, (242), 207 states have internal predecessors, (242), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (186), 158 states have call predecessors, (186), 157 states have call successors, (186) [2023-11-21 22:05:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 587 transitions. [2023-11-21 22:05:59,564 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 587 transitions. Word has length 144 [2023-11-21 22:05:59,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:59,566 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 587 transitions. [2023-11-21 22:05:59,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-11-21 22:05:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 587 transitions. [2023-11-21 22:05:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 22:05:59,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:59,569 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-21 22:05:59,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:59,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-21 22:05:59,792 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:59,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 72629972, now seen corresponding path program 1 times [2023-11-21 22:05:59,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:59,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887134309] [2023-11-21 22:05:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:00,002 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:06:00,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666492026] [2023-11-21 22:06:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:00,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:00,004 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:00,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 22:06:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:00,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 3024 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:06:00,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 22:06:00,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:06:00,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:00,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887134309] [2023-11-21 22:06:00,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:06:00,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666492026] [2023-11-21 22:06:00,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666492026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:00,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:00,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:06:00,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723217685] [2023-11-21 22:06:00,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:00,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:06:00,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:00,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:06:00,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:06:00,988 INFO L87 Difference]: Start difference. First operand 393 states and 587 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-21 22:06:02,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:03,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:03,515 INFO L93 Difference]: Finished difference Result 729 states and 1108 transitions. [2023-11-21 22:06:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:06:03,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 153 [2023-11-21 22:06:03,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:03,521 INFO L225 Difference]: With dead ends: 729 [2023-11-21 22:06:03,522 INFO L226 Difference]: Without dead ends: 395 [2023-11-21 22:06:03,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:06:03,525 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 45 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:03,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2244 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-21 22:06:03,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-21 22:06:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2023-11-21 22:06:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 204 states have (on average 1.1911764705882353) internal successors, (243), 209 states have internal predecessors, (243), 159 states have call successors, (159), 28 states have call predecessors, (159), 30 states have return successors, (197), 158 states have call predecessors, (197), 157 states have call successors, (197) [2023-11-21 22:06:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 599 transitions. [2023-11-21 22:06:03,554 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 599 transitions. Word has length 153 [2023-11-21 22:06:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:03,555 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 599 transitions. [2023-11-21 22:06:03,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-21 22:06:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 599 transitions. [2023-11-21 22:06:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-21 22:06:03,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:03,558 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-21 22:06:03,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:03,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-21 22:06:03,779 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:03,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1843711966, now seen corresponding path program 1 times [2023-11-21 22:06:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:03,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459597691] [2023-11-21 22:06:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:03,959 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:06:03,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84534164] [2023-11-21 22:06:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:03,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:03,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:03,964 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:03,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-21 22:06:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:04,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 3074 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:06:04,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-11-21 22:06:05,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:06:05,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:05,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459597691] [2023-11-21 22:06:05,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:06:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84534164] [2023-11-21 22:06:05,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84534164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:05,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:05,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:06:05,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337363272] [2023-11-21 22:06:05,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:05,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:06:05,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:05,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:06:05,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:06:05,029 INFO L87 Difference]: Start difference. First operand 395 states and 599 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-21 22:06:08,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:08,431 INFO L93 Difference]: Finished difference Result 739 states and 1140 transitions. [2023-11-21 22:06:08,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:06:08,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 161 [2023-11-21 22:06:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:08,438 INFO L225 Difference]: With dead ends: 739 [2023-11-21 22:06:08,438 INFO L226 Difference]: Without dead ends: 403 [2023-11-21 22:06:08,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:06:08,443 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 59 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:08,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 3053 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-21 22:06:08,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-11-21 22:06:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 401. [2023-11-21 22:06:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 209 states have (on average 1.1913875598086126) internal successors, (249), 213 states have internal predecessors, (249), 160 states have call successors, (160), 28 states have call predecessors, (160), 30 states have return successors, (198), 160 states have call predecessors, (198), 158 states have call successors, (198) [2023-11-21 22:06:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 607 transitions. [2023-11-21 22:06:08,473 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 607 transitions. Word has length 161 [2023-11-21 22:06:08,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:08,473 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 607 transitions. [2023-11-21 22:06:08,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-21 22:06:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 607 transitions. [2023-11-21 22:06:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-21 22:06:08,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:08,476 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-21 22:06:08,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:08,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-21 22:06:08,699 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:08,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:08,700 INFO L85 PathProgramCache]: Analyzing trace with hash -166139523, now seen corresponding path program 1 times [2023-11-21 22:06:08,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:08,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902879454] [2023-11-21 22:06:08,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:08,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:08,905 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:06:08,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273280787] [2023-11-21 22:06:08,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:08,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:08,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:08,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-21 22:06:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:09,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 3206 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:06:09,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 22:06:09,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:06:09,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:09,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902879454] [2023-11-21 22:06:09,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:06:09,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273280787] [2023-11-21 22:06:09,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273280787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:09,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:06:09,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065529375] [2023-11-21 22:06:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:09,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:06:09,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:09,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:06:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:06:09,939 INFO L87 Difference]: Start difference. First operand 401 states and 607 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-21 22:06:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:12,402 INFO L93 Difference]: Finished difference Result 749 states and 1162 transitions. [2023-11-21 22:06:12,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:06:12,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 170 [2023-11-21 22:06:12,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:12,407 INFO L225 Difference]: With dead ends: 749 [2023-11-21 22:06:12,407 INFO L226 Difference]: Without dead ends: 407 [2023-11-21 22:06:12,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:06:12,411 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 52 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:12,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 2678 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-21 22:06:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-11-21 22:06:12,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2023-11-21 22:06:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 209 states have (on average 1.1913875598086126) internal successors, (249), 213 states have internal predecessors, (249), 160 states have call successors, (160), 28 states have call predecessors, (160), 30 states have return successors, (198), 160 states have call predecessors, (198), 158 states have call successors, (198) [2023-11-21 22:06:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 607 transitions. [2023-11-21 22:06:12,444 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 607 transitions. Word has length 170 [2023-11-21 22:06:12,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:12,447 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 607 transitions. [2023-11-21 22:06:12,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-21 22:06:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 607 transitions. [2023-11-21 22:06:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-21 22:06:12,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:12,451 INFO L195 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:12,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:12,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:12,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:12,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:12,680 INFO L85 PathProgramCache]: Analyzing trace with hash 514251170, now seen corresponding path program 1 times [2023-11-21 22:06:12,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:12,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969226382] [2023-11-21 22:06:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:12,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:12,884 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:06:12,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087819723] [2023-11-21 22:06:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:12,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:12,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:12,886 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:12,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73fa440-2247-4352-be8e-23cf806f48bf/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process