./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:40:15,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:40:15,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:40:15,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:40:15,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:40:15,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:40:15,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:40:15,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:40:15,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:40:15,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:40:15,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:40:15,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:40:15,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:40:15,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:40:15,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:40:15,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:40:15,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:40:15,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:40:15,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:40:15,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:40:15,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:40:15,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:40:15,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:40:15,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:40:15,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:40:15,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:40:15,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:40:15,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:40:15,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:40:15,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:40:15,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:40:15,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:40:15,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:40:15,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:40:15,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:40:15,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:40:15,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:40:15,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:40:15,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:40:15,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:40:15,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:40:15,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:40:15,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:40:15,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:40:15,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:40:15,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:40:15,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:40:15,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:40:15,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:40:15,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:40:15,932 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:40:15,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:40:15,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:40:15,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:40:15,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:40:15,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:40:15,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:40:15,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:40:15,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:40:15,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:40:15,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:40:15,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:40:15,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:40:15,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:40:15,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:40:15,935 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:40:15,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:40:15,936 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:40:15,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:40:15,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:40:15,936 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:40:15,937 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:40:15,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-12-13 09:40:16,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:40:16,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:40:16,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:40:16,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:40:16,127 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:40:16,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 09:40:18,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:40:19,068 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:40:19,068 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 09:40:19,089 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/data/14d20623d/a798feba9b7940eb9adf51258e64b089/FLAGd0db7aa72 [2022-12-13 09:40:19,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/data/14d20623d/a798feba9b7940eb9adf51258e64b089 [2022-12-13 09:40:19,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:40:19,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:40:19,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:19,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:40:19,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:40:19,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:19" (1/1) ... [2022-12-13 09:40:19,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bd14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:19, skipping insertion in model container [2022-12-13 09:40:19,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:19" (1/1) ... [2022-12-13 09:40:19,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:40:19,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:40:19,668 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 09:40:19,747 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 09:40:19,753 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:40:19,755 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 09:40:19,787 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 09:40:19,795 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:40:19,799 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:40:19,832 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 09:40:19,833 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 09:40:19,841 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:40:19,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,975 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 09:40:19,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,977 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 09:40:19,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,978 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 09:40:19,979 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 09:40:19,980 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 09:40:19,982 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:19,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,983 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:19,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,985 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:40:19,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,987 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:40:19,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,992 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:19,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:19,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,001 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 09:40:20,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,003 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 09:40:20,004 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 09:40:20,004 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 09:40:20,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,007 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 09:40:20,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,022 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 09:40:20,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:40:20,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,031 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 09:40:20,032 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 09:40:20,033 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 09:40:20,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,039 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-13 09:40:20,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,063 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 09:40:20,064 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 09:40:20,065 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 09:40:20,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,068 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 09:40:20,068 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 09:40:20,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,072 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 09:40:20,072 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 09:40:20,073 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 09:40:20,166 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 09:40:20,166 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 09:40:20,170 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 09:40:20,170 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 09:40:20,175 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:40:20,229 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 09:40:20,230 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 09:40:20,359 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-13 09:40:20,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:20,785 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:40:20,863 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 09:40:20,867 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 09:40:20,868 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:40:20,868 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 09:40:20,870 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 09:40:20,871 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:40:20,871 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:40:20,872 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 09:40:20,873 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 09:40:20,874 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:40:20,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,881 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 09:40:20,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,882 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 09:40:20,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,883 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 09:40:20,883 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 09:40:20,884 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 09:40:20,885 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:20,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,886 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:20,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,887 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:40:20,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,888 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:40:20,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,891 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 09:40:20,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,896 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 09:40:20,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,897 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 09:40:20,898 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 09:40:20,898 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 09:40:20,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,899 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 09:40:20,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,905 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 09:40:20,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,910 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:40:20,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,911 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 09:40:20,911 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 09:40:20,914 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 09:40:20,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,916 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-13 09:40:20,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,924 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 09:40:20,924 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 09:40:20,925 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 09:40:20,925 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,927 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 09:40:20,927 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 09:40:20,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 09:40:20,929 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 09:40:20,930 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 09:40:20,930 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 09:40:20,947 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 09:40:20,947 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-13 09:40:20,952 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 09:40:20,952 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 09:40:20,955 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:40:20,958 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 09:40:20,958 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 09:40:20,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-13 09:40:20,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:21,040 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:40:21,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21 WrapperNode [2022-12-13 09:40:21,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:21,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:40:21,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:40:21,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:40:21,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,228 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 6602 [2022-12-13 09:40:21,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:40:21,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:40:21,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:40:21,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:40:21,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:40:21,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:40:21,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:40:21,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:40:21,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (1/1) ... [2022-12-13 09:40:21,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:40:21,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:40:21,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:40:21,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:40:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-12-13 09:40:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-12-13 09:40:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-13 09:40:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-13 09:40:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-13 09:40:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-13 09:40:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:40:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:40:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 09:40:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:40:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:40:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:40:21,513 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:40:21,867 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:40:21,869 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:40:25,788 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:40:25,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:40:25,827 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:40:25,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:40:25 BoogieIcfgContainer [2022-12-13 09:40:25,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:40:25,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:40:25,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:40:25,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:40:25,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:40:19" (1/3) ... [2022-12-13 09:40:25,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7090204e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:40:25, skipping insertion in model container [2022-12-13 09:40:25,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:21" (2/3) ... [2022-12-13 09:40:25,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7090204e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:40:25, skipping insertion in model container [2022-12-13 09:40:25,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:40:25" (3/3) ... [2022-12-13 09:40:25,844 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-13 09:40:25,852 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:40:25,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:40:25,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:40:25,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:40:26,749 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-12-13 09:40:26,852 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:40:26,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:40:26,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:40:26,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:40:26,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:40:26,880 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:40:26,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork1 ======== [2022-12-13 09:40:26,895 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52f31d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:40:26,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:40:42,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:40:42,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:40:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1984824149, now seen corresponding path program 1 times [2022-12-13 09:40:42,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:40:42,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007688691] [2022-12-13 09:40:42,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:40:42,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:40:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:40:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:40:44,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:40:44,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007688691] [2022-12-13 09:40:44,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007688691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:40:44,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:40:44,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:40:44,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930816651] [2022-12-13 09:40:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:40:44,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:40:44,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:40:44,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:40:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:40:44,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:44,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:40:44,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 922.0) internal successors, (1844), 2 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:40:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:47,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:40:47,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:40:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:40:47,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1196360222, now seen corresponding path program 1 times [2022-12-13 09:40:47,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:40:47,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733648386] [2022-12-13 09:40:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:40:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:40:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:40:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:40:48,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:40:48,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733648386] [2022-12-13 09:40:48,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733648386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:40:48,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:40:48,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:40:48,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591932715] [2022-12-13 09:40:48,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:40:48,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:40:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:40:48,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:40:48,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:40:48,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:48,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:40:48,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:40:48,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:48,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:53,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:53,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:40:53,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:40:53,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:40:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:40:53,026 INFO L85 PathProgramCache]: Analyzing trace with hash -310282220, now seen corresponding path program 1 times [2022-12-13 09:40:53,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:40:53,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593681636] [2022-12-13 09:40:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:40:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:40:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:40:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:40:58,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:40:58,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593681636] [2022-12-13 09:40:58,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593681636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:40:58,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:40:58,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 09:40:58,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896657157] [2022-12-13 09:40:58,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:40:58,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 09:40:58,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:40:58,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 09:40:58,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 09:40:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:58,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:40:58,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.54545454545453) internal successors, (1810), 11 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:40:58,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:58,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:40:58,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:40:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:40:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:40:59,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:40:59,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:40:59,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:40:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash 300673082, now seen corresponding path program 1 times [2022-12-13 09:40:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:40:59,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540649635] [2022-12-13 09:40:59,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:40:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:40:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1040 proven. 1 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 09:41:02,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:41:02,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540649635] [2022-12-13 09:41:02,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540649635] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:41:02,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935789978] [2022-12-13 09:41:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:02,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:41:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:41:02,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:41:02,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 09:41:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:04,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 7491 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 09:41:04,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1040 proven. 1 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 09:41:04,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1040 proven. 1 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-12-13 09:41:05,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935789978] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:05,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:41:05,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-12-13 09:41:05,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927694584] [2022-12-13 09:41:05,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:05,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:41:05,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:41:05,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:41:05,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:41:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:05,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 553.0) internal successors, (2765), 5 states have internal predecessors, (2765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:41:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:05,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:41:05,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-13 09:41:05,643 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:41:05,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:05,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1742771627, now seen corresponding path program 2 times [2022-12-13 09:41:05,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:41:05,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764911746] [2022-12-13 09:41:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:05,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:41:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7050 backedges. 695 proven. 0 refuted. 0 times theorem prover too weak. 6355 trivial. 0 not checked. [2022-12-13 09:41:12,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:41:12,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764911746] [2022-12-13 09:41:12,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764911746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:12,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:12,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:41:12,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220950735] [2022-12-13 09:41:12,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:12,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:41:12,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:41:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:41:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:41:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:12,055 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:12,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 442.0) internal successors, (2210), 5 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:41:12,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:12,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:12,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:12,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:12,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:12,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:41:12,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 09:41:12,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:41:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash 257014064, now seen corresponding path program 1 times [2022-12-13 09:41:12,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:41:12,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767314130] [2022-12-13 09:41:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:41:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3146 trivial. 0 not checked. [2022-12-13 09:41:27,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:41:27,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767314130] [2022-12-13 09:41:27,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767314130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:27,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:27,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 09:41:27,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873432437] [2022-12-13 09:41:27,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:27,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 09:41:27,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:41:27,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 09:41:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 09:41:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:27,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:27,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 175.8181818181818) internal successors, (1934), 11 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:41:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:41:27,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 09:41:27,929 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:41:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1905965065, now seen corresponding path program 1 times [2022-12-13 09:41:27,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:41:27,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763016320] [2022-12-13 09:41:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:41:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3146 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 2796 trivial. 0 not checked. [2022-12-13 09:41:55,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:41:55,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763016320] [2022-12-13 09:41:55,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763016320] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:55,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:55,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-12-13 09:41:55,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417921557] [2022-12-13 09:41:55,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:55,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 09:41:55,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:41:55,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 09:41:55,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2022-12-13 09:41:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:55,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:55,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 108.6) internal successors, (2172), 20 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:55,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:41:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:41:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:41:56,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:41:56,964 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:41:56,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1732688662, now seen corresponding path program 1 times [2022-12-13 09:41:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:41:56,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647180065] [2022-12-13 09:41:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:41:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:42:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 21291 backedges. 4188 proven. 0 refuted. 0 times theorem prover too weak. 17103 trivial. 0 not checked. [2022-12-13 09:42:06,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:42:06,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647180065] [2022-12-13 09:42:06,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647180065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:42:06,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:42:06,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:42:06,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902744106] [2022-12-13 09:42:06,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:42:06,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:42:06,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:42:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:42:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:42:06,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:06,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:42:06,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 508.2) internal successors, (2541), 5 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:42:06,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:42:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:42:07,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 09:42:07,592 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:42:07,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:42:07,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1343007370, now seen corresponding path program 1 times [2022-12-13 09:42:07,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:42:07,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965384485] [2022-12-13 09:42:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:42:07,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:42:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:42:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 20540 backedges. 11174 proven. 0 refuted. 0 times theorem prover too weak. 9366 trivial. 0 not checked. [2022-12-13 09:42:27,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:42:27,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965384485] [2022-12-13 09:42:27,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965384485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:42:27,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:42:27,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 09:42:27,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728328589] [2022-12-13 09:42:27,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:42:27,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 09:42:27,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:42:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 09:42:27,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 09:42:27,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:27,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:42:27,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 400.14285714285717) internal successors, (2801), 7 states have internal predecessors, (2801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:42:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:42:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:42:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:42:27,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 09:42:27,843 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:42:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:42:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1533241668, now seen corresponding path program 1 times [2022-12-13 09:42:27,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:42:27,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278868878] [2022-12-13 09:42:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:42:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:42:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:42:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8383 backedges. 3019 proven. 5055 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-12-13 09:42:37,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:42:37,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278868878] [2022-12-13 09:42:37,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278868878] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:42:37,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484776597] [2022-12-13 09:42:37,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:42:37,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:42:37,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:42:37,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:42:37,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:42:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:42:39,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 11231 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 09:42:39,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:42:40,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 09:42:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8383 trivial. 0 not checked. [2022-12-13 09:42:40,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:42:40,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484776597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:42:40,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:42:40,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-13 09:42:40,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129879839] [2022-12-13 09:42:40,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:42:40,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 09:42:40,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:42:40,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 09:42:40,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 09:42:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:40,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:42:40,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 287.85714285714283) internal successors, (2015), 7 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:42:40,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:44:03,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:44:03,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 09:44:04,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 09:44:04,087 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:44:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1460125842, now seen corresponding path program 1 times [2022-12-13 09:44:04,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:44:04,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306944438] [2022-12-13 09:44:04,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:04,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:44:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8513 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 8383 trivial. 0 not checked. [2022-12-13 09:44:12,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:44:12,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306944438] [2022-12-13 09:44:12,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306944438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:44:12,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:44:12,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 09:44:12,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675437742] [2022-12-13 09:44:12,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:44:12,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 09:44:12,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:44:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 09:44:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 09:44:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:12,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:44:12,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 337.375) internal successors, (2699), 8 states have internal predecessors, (2699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:44:12,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:12,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:44:12,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:44:12,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:44:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:44:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:44:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:44:26,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 09:44:26,500 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:44:26,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1015698686, now seen corresponding path program 1 times [2022-12-13 09:44:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:44:26,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947868151] [2022-12-13 09:44:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:26,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:44:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8419 backedges. 3055 proven. 5055 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-12-13 09:44:36,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:44:36,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947868151] [2022-12-13 09:44:36,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947868151] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:44:36,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563297271] [2022-12-13 09:44:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:36,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:44:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:36,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:44:36,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:44:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:44,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 11934 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 09:44:44,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:44:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8419 backedges. 554 proven. 8 refuted. 0 times theorem prover too weak. 7857 trivial. 0 not checked. [2022-12-13 09:44:44,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:44:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8419 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 7865 trivial. 0 not checked. [2022-12-13 09:44:44,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563297271] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 09:44:44,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:44:44,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 9] total 19 [2022-12-13 09:44:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821290211] [2022-12-13 09:44:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:44:44,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 09:44:44,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:44:44,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 09:44:44,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-12-13 09:44:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:44,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:44:44,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 371.0) internal successors, (2597), 7 states have internal predecessors, (2597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:44:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:44:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:44:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:44:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:44:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:44:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:45:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:45:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:45:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 09:45:00,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 09:45:01,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:45:01,015 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:45:01,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:45:01,021 INFO L85 PathProgramCache]: Analyzing trace with hash 786417105, now seen corresponding path program 2 times [2022-12-13 09:45:01,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:45:01,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015612106] [2022-12-13 09:45:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:45:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:45:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:45:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13891 backedges. 7343 proven. 5055 refuted. 0 times theorem prover too weak. 1493 trivial. 0 not checked. [2022-12-13 09:45:17,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:45:17,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015612106] [2022-12-13 09:45:17,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015612106] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:45:17,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356082322] [2022-12-13 09:45:17,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:45:17,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:45:17,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:45:17,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:45:17,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac497c5-6142-49dc-99a7-fc9b4bb667f5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:45:39,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:45:39,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:45:39,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 13622 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 09:45:39,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:45:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13891 backedges. 5589 proven. 7684 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-12-13 09:45:46,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:45:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13891 backedges. 5589 proven. 7684 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-12-13 09:45:51,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356082322] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:45:51,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:45:51,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2022-12-13 09:45:51,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950120278] [2022-12-13 09:45:51,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:45:51,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 09:45:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:45:51,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 09:45:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-12-13 09:45:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:45:51,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:45:51,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 527.4444444444445) internal successors, (9494), 18 states have internal predecessors, (9494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:45:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-12-13 09:45:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.