./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 --- 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 [2022-12-14 20:20:17,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:20:17,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:20:17,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:20:17,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:20:17,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:20:17,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:20:17,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:20:17,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:20:17,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:20:17,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:20:17,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:20:17,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:20:17,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:20:17,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:20:17,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:20:17,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:20:17,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:20:17,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:20:17,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:20:17,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:20:17,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:20:17,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:20:17,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:20:17,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:20:17,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:20:17,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:20:17,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:20:17,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:20:17,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:20:17,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:20:17,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:20:17,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:20:17,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:20:17,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:20:17,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:20:17,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:20:17,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:20:17,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:20:17,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:20:17,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:20:17,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 20:20:17,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:20:17,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:20:17,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:20:17,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:20:17,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:20:17,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:20:17,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:20:17,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:20:17,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:20:17,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:20:17,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:20:17,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:20:17,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:20:17,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:20:17,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:20:17,213 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_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 [2022-12-14 20:20:17,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:20:17,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:20:17,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:20:17,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:20:17,415 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:20:17,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 20:20:19,978 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:20:20,260 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:20:20,261 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 20:20:20,284 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/data/638193dc5/3b08ba5db2c5419f83da087718d27c54/FLAG05896363e [2022-12-14 20:20:20,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/data/638193dc5/3b08ba5db2c5419f83da087718d27c54 [2022-12-14 20:20:20,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:20:20,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:20:20,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:20:20,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:20:20,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:20:20,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:20:20" (1/1) ... [2022-12-14 20:20:20,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e03a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:20, skipping insertion in model container [2022-12-14 20:20:20,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:20:20" (1/1) ... [2022-12-14 20:20:20,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:20:20,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:20:20,655 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 20:20:20,729 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 20:20:20,731 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 20:20:20,739 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 20:20:20,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,808 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 20:20:20,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,811 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 20:20:20,813 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,813 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,814 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:20,816 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:20,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 20:20:20,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,863 WARN L623 FunctionHandler]: Unknown extern function note_to_freq [2022-12-14 20:20:20,864 WARN L623 FunctionHandler]: Unknown extern function compute_finetune [2022-12-14 20:20:20,869 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,869 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:20,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,926 WARN L623 FunctionHandler]: Unknown extern function compute_finetune [2022-12-14 20:20:20,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,974 WARN L623 FunctionHandler]: Unknown extern function sound_alloc_synthdev [2022-12-14 20:20:20,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,976 WARN L623 FunctionHandler]: Unknown extern function sequencer_init [2022-12-14 20:20:20,979 WARN L623 FunctionHandler]: Unknown extern function conf_printf2 [2022-12-14 20:20:20,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:20,985 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:20,986 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:20,986 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 20:20:20,986 WARN L623 FunctionHandler]: Unknown extern function sound_unload_synthdev [2022-12-14 20:20:20,994 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 20:20:21,003 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 20:20:21,004 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 20:20:21,005 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 20:20:21,005 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-14 20:20:21,006 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-14 20:20:21,013 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_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-12-14 20:20:21,022 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 20:20:21,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:20:21,081 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:20:21,127 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 20:20:21,130 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 20:20:21,131 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 20:20:21,132 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 20:20:21,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,141 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 20:20:21,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,142 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 20:20:21,143 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,143 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,143 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,144 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,144 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:21,144 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:21,144 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 20:20:21,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,159 WARN L623 FunctionHandler]: Unknown extern function note_to_freq [2022-12-14 20:20:21,160 WARN L623 FunctionHandler]: Unknown extern function compute_finetune [2022-12-14 20:20:21,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,163 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 20:20:21,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,173 WARN L623 FunctionHandler]: Unknown extern function compute_finetune [2022-12-14 20:20:21,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,199 WARN L623 FunctionHandler]: Unknown extern function sound_alloc_synthdev [2022-12-14 20:20:21,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,200 WARN L623 FunctionHandler]: Unknown extern function sequencer_init [2022-12-14 20:20:21,202 WARN L623 FunctionHandler]: Unknown extern function conf_printf2 [2022-12-14 20:20:21,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 20:20:21,203 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:21,203 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 20:20:21,204 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 20:20:21,204 WARN L623 FunctionHandler]: Unknown extern function sound_unload_synthdev [2022-12-14 20:20:21,206 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 20:20:21,212 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 20:20:21,213 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 20:20:21,213 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 20:20:21,213 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-14 20:20:21,214 WARN L623 FunctionHandler]: Unknown extern function __copy_user_nocache [2022-12-14 20:20:21,214 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_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-12-14 20:20:21,216 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 20:20:21,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:20:21,320 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:20:21,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21 WrapperNode [2022-12-14 20:20:21,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:20:21,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:20:21,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:20:21,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:20:21,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,485 INFO L138 Inliner]: procedures = 106, calls = 3465, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 4297 [2022-12-14 20:20:21,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:20:21,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:20:21,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:20:21,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:20:21,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:20:21,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:20:21,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:20:21,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:20:21,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:21" (1/1) ... [2022-12-14 20:20:21,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:20:21,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:20:21,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:20:21,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339d2ef4-2f60-4667-8b55-b0b7de91d7e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:20:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2022-12-14 20:20:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2022-12-14 20:20:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-12-14 20:20:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-12-14 20:20:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 20:20:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-14 20:20:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-14 20:20:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-12-14 20:20:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2022-12-14 20:20:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 20:20:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 20:20:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 20:20:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-12-14 20:20:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 20:20:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 20:20:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-12-14 20:20:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-14 20:20:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2022-12-14 20:20:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2022-12-14 20:20:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 20:20:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 20:20:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2022-12-14 20:20:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2022-12-14 20:20:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-12-14 20:20:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-12-14 20:20:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:20:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2022-12-14 20:20:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2022-12-14 20:20:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-12-14 20:20:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 20:20:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 20:20:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:20:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2022-12-14 20:20:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2022-12-14 20:20:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 20:20:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2022-12-14 20:20:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-12-14 20:20:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 20:20:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:20:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2022-12-14 20:20:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-12-14 20:20:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2022-12-14 20:20:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2022-12-14 20:20:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 20:20:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 20:20:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-12-14 20:20:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-12-14 20:20:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 20:20:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 20:20:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2022-12-14 20:20:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-12-14 20:20:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-14 20:20:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:20:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:20:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-12-14 20:20:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-12-14 20:20:21,999 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:20:22,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:20:22,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 20:20:26,192 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:20:26,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:20:26,798 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:20:26,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:26 BoogieIcfgContainer [2022-12-14 20:20:26,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:20:26,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:20:26,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:20:26,809 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:20:26,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:26" (1/1) ... [2022-12-14 20:20:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:20:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 662 states and 985 transitions. [2022-12-14 20:20:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 985 transitions. [2022-12-14 20:20:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-12-14 20:20:26,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:29,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:20:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 665 states and 1011 transitions. [2022-12-14 20:20:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1011 transitions. [2022-12-14 20:20:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-14 20:20:29,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 669 states and 1041 transitions. [2022-12-14 20:20:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1041 transitions. [2022-12-14 20:20:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-12-14 20:20:30,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 668 states and 1037 transitions. [2022-12-14 20:20:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1037 transitions. [2022-12-14 20:20:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-12-14 20:20:31,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:31,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2022-12-14 20:20:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 672 states and 1044 transitions. [2022-12-14 20:20:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1044 transitions. [2022-12-14 20:20:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-14 20:20:32,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:32,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 675 states and 1049 transitions. [2022-12-14 20:20:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1049 transitions. [2022-12-14 20:20:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-14 20:20:32,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2290 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2022-12-14 20:20:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 676 states and 1049 transitions. [2022-12-14 20:20:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1049 transitions. [2022-12-14 20:20:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-12-14 20:20:33,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 675 states and 1045 transitions. [2022-12-14 20:20:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1045 transitions. [2022-12-14 20:20:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-14 20:20:34,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:34,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 680 states and 1074 transitions. [2022-12-14 20:20:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1074 transitions. [2022-12-14 20:20:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-14 20:20:34,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:41,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:20:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 688 states and 1108 transitions. [2022-12-14 20:20:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1108 transitions. [2022-12-14 20:20:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-14 20:20:42,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2022-12-14 20:20:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 690 states and 1110 transitions. [2022-12-14 20:20:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1110 transitions. [2022-12-14 20:20:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-14 20:20:42,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2288 trivial. 0 not checked. [2022-12-14 20:20:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 691 states and 1110 transitions. [2022-12-14 20:20:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1110 transitions. [2022-12-14 20:20:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-14 20:20:43,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 693 states and 1112 transitions. [2022-12-14 20:20:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1112 transitions. [2022-12-14 20:20:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-14 20:20:43,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2290 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2022-12-14 20:20:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 694 states and 1112 transitions. [2022-12-14 20:20:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1112 transitions. [2022-12-14 20:20:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-14 20:20:44,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:44,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-12-14 20:20:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 696 states and 1113 transitions. [2022-12-14 20:20:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1113 transitions. [2022-12-14 20:20:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-12-14 20:20:45,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:45,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2288 trivial. 0 not checked. [2022-12-14 20:20:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 697 states and 1113 transitions. [2022-12-14 20:20:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1113 transitions. [2022-12-14 20:20:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-12-14 20:20:46,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2414 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2022-12-14 20:20:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 697 states and 1112 transitions. [2022-12-14 20:20:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1112 transitions. [2022-12-14 20:20:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-14 20:20:46,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:46,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2414 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 2394 trivial. 0 not checked. [2022-12-14 20:20:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 698 states and 1114 transitions. [2022-12-14 20:20:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1114 transitions. [2022-12-14 20:20:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-12-14 20:20:47,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2022-12-14 20:20:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 701 states and 1118 transitions. [2022-12-14 20:20:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1118 transitions. [2022-12-14 20:20:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-12-14 20:20:48,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2022-12-14 20:20:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 702 states and 1120 transitions. [2022-12-14 20:20:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1120 transitions. [2022-12-14 20:20:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-12-14 20:20:49,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:49,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2577 trivial. 0 not checked. [2022-12-14 20:20:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 705 states and 1125 transitions. [2022-12-14 20:20:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1125 transitions. [2022-12-14 20:20:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-14 20:20:50,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2723 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2022-12-14 20:20:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 719 states and 1147 transitions. [2022-12-14 20:20:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1147 transitions. [2022-12-14 20:20:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 20:20:52,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:52,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2723 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2716 trivial. 0 not checked. [2022-12-14 20:21:03,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:21:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 722 states and 1151 transitions. [2022-12-14 20:21:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1151 transitions. [2022-12-14 20:21:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 20:21:03,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2723 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2022-12-14 20:21:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 722 states and 1150 transitions. [2022-12-14 20:21:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1150 transitions. [2022-12-14 20:21:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-12-14 20:21:04,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2882 trivial. 0 not checked. [2022-12-14 20:21:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 725 states and 1154 transitions. [2022-12-14 20:21:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1154 transitions. [2022-12-14 20:21:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-12-14 20:21:05,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3099 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2022-12-14 20:21:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 728 states and 1158 transitions. [2022-12-14 20:21:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1158 transitions. [2022-12-14 20:21:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-12-14 20:21:07,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:07,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 3295 trivial. 0 not checked. [2022-12-14 20:21:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 731 states and 1162 transitions. [2022-12-14 20:21:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1162 transitions. [2022-12-14 20:21:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2022-12-14 20:21:08,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3316 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3314 trivial. 0 not checked. [2022-12-14 20:21:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 732 states and 1165 transitions. [2022-12-14 20:21:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1165 transitions. [2022-12-14 20:21:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-12-14 20:21:09,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3595 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 3542 trivial. 0 not checked. [2022-12-14 20:21:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 735 states and 1169 transitions. [2022-12-14 20:21:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1169 transitions. [2022-12-14 20:21:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-12-14 20:21:10,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3430 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3428 trivial. 0 not checked. [2022-12-14 20:21:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 735 states and 1168 transitions. [2022-12-14 20:21:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1168 transitions. [2022-12-14 20:21:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-12-14 20:21:11,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3590 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3588 trivial. 0 not checked. [2022-12-14 20:21:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 720 states and 1144 transitions. [2022-12-14 20:21:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1144 transitions. [2022-12-14 20:21:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-12-14 20:21:11,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3888 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 3816 trivial. 0 not checked. [2022-12-14 20:21:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:13,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 723 states and 1148 transitions. [2022-12-14 20:21:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1148 transitions. [2022-12-14 20:21:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2022-12-14 20:21:13,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:13,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4211 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 4117 trivial. 0 not checked. [2022-12-14 20:21:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 726 states and 1151 transitions. [2022-12-14 20:21:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1151 transitions. [2022-12-14 20:21:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-12-14 20:21:15,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-12-14 20:21:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:18,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 730 states and 1157 transitions. [2022-12-14 20:21:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1157 transitions. [2022-12-14 20:21:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-12-14 20:21:18,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:20,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4572 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4568 trivial. 0 not checked. [2022-12-14 20:21:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 734 states and 1162 transitions. [2022-12-14 20:21:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1162 transitions. [2022-12-14 20:21:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-12-14 20:21:21,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4584 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2022-12-14 20:21:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 736 states and 1165 transitions. [2022-12-14 20:21:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1165 transitions. [2022-12-14 20:21:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-12-14 20:21:24,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:24,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6846 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 6655 trivial. 0 not checked. [2022-12-14 20:21:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 737 states and 1168 transitions. [2022-12-14 20:21:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1168 transitions. [2022-12-14 20:21:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2022-12-14 20:21:28,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10629 backedges. 0 proven. 383 refuted. 0 times theorem prover too weak. 10246 trivial. 0 not checked. [2022-12-14 20:21:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 738 states and 1169 transitions. [2022-12-14 20:21:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1169 transitions. [2022-12-14 20:21:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2022-12-14 20:21:31,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:31,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15933 trivial. 0 not checked. [2022-12-14 20:21:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 742 states and 1175 transitions. [2022-12-14 20:21:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1175 transitions. [2022-12-14 20:21:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2022-12-14 20:21:34,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:21:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 15281 trivial. 0 not checked. [2022-12-14 20:21:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:21:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 743 states and 1176 transitions. [2022-12-14 20:21:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1176 transitions. [2022-12-14 20:21:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2022-12-14 20:21:39,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:21:39,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:21:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat