./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:41:36,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:41:36,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:41:36,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:41:36,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:41:36,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:41:36,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:41:36,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:41:36,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:41:36,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:41:36,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:41:36,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:41:36,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:41:36,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:41:36,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:41:36,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:41:36,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:41:36,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:41:36,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:41:36,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:41:36,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:41:36,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:41:36,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:41:36,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:41:36,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:41:36,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:41:36,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:41:36,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:41:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:41:36,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:41:36,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:41:36,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:41:36,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:41:36,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:41:36,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:41:36,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:41:36,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:41:36,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:41:36,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:41:36,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:41:36,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:41:36,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:41:36,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:41:36,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:41:36,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:41:36,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:41:36,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:41:36,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:41:36,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:41:36,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:41:36,188 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:41:36,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:41:36,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:41:36,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:41:36,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:41:36,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:41:36,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:41:36,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:41:36,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:41:36,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:41:36,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:41:36,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:41:36,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:41:36,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:36,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:41:36,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:41:36,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:41:36,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:41:36,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:41:36,193 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:41:36,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:41:36,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:41:36,194 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_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-11-16 12:41:36,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:41:36,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:41:36,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:41:36,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:41:36,539 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:41:36,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-16 12:41:36,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/data/da2be13f4/32fad101201643a49c4fe84d32f5e4bb/FLAG2f97fb1bc [2022-11-16 12:41:37,698 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:41:37,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-16 12:41:37,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/data/da2be13f4/32fad101201643a49c4fe84d32f5e4bb/FLAG2f97fb1bc [2022-11-16 12:41:38,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/data/da2be13f4/32fad101201643a49c4fe84d32f5e4bb [2022-11-16 12:41:38,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:41:38,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:41:38,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:38,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:41:38,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:41:38,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:38" (1/1) ... [2022-11-16 12:41:38,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5343f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:38, skipping insertion in model container [2022-11-16 12:41:38,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:38" (1/1) ... [2022-11-16 12:41:38,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:41:38,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:41:38,708 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-16 12:41:38,709 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-16 12:41:38,709 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-16 12:41:38,711 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-16 12:41:38,711 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-16 12:41:38,711 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-16 12:41:38,714 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-16 12:41:38,715 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-16 12:41:38,715 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-16 12:41:38,716 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-16 12:41:38,716 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-16 12:41:38,717 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-16 12:41:39,169 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-16 12:41:40,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:40,837 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:41:40,940 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-16 12:41:40,941 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-16 12:41:40,941 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-16 12:41:40,941 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-16 12:41:40,941 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-16 12:41:40,942 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-16 12:41:40,942 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-16 12:41:40,943 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-16 12:41:40,943 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-16 12:41:40,943 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-16 12:41:40,944 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-16 12:41:40,944 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-16 12:41:40,952 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-16 12:41:41,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:41,549 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:41:41,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41 WrapperNode [2022-11-16 12:41:41,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:41,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:41,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:41:41,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:41:41,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:41,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:41,949 INFO L138 Inliner]: procedures = 348, calls = 3372, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6847 [2022-11-16 12:41:41,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:41,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:41:41,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:41:41,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:41:41,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:41,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:41:42,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:41:42,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:41:42,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:41:42,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (1/1) ... [2022-11-16 12:41:42,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:42,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:42,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4377d2e9-9945-48dc-bec4-c7dff546b887/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:41:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-16 12:41:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-16 12:41:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:41:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:41:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-16 12:41:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-16 12:41:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-16 12:41:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-16 12:41:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-16 12:41:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-16 12:41:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-16 12:41:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-16 12:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-16 12:41:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-16 12:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-16 12:41:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-16 12:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:41:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-16 12:41:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-16 12:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-16 12:41:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-16 12:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-16 12:41:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-16 12:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-16 12:41:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-16 12:41:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:41:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:41:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-16 12:41:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-16 12:41:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-16 12:41:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-16 12:41:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-16 12:41:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-16 12:41:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-16 12:41:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-16 12:41:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-16 12:41:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-16 12:41:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-16 12:41:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-16 12:41:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-16 12:41:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-16 12:41:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-16 12:41:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-16 12:41:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-16 12:41:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-16 12:41:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-16 12:41:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-16 12:41:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:41:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:41:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:41:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:41:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-16 12:41:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-16 12:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-16 12:41:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-16 12:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:41:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:41:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:41:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-16 12:41:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-16 12:41:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-16 12:41:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-16 12:41:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-16 12:41:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-16 12:41:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:41:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:41:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-16 12:41:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-16 12:41:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-16 12:41:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-16 12:41:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-16 12:41:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-16 12:41:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-16 12:41:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-16 12:41:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2022-11-16 12:41:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2022-11-16 12:41:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-16 12:41:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-16 12:41:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-16 12:41:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-16 12:41:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-16 12:41:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-16 12:41:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2022-11-16 12:41:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2022-11-16 12:41:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-16 12:41:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-16 12:41:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-16 12:41:42,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-16 12:41:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:41:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:41:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:41:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-16 12:41:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-16 12:41:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:41:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-16 12:41:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-16 12:41:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 12:41:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 12:41:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-16 12:41:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-16 12:41:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:41:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:41:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-16 12:41:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-16 12:41:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:41:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:41:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-16 12:41:42,475 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-16 12:41:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-16 12:41:42,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-16 12:41:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:41:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:41:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-16 12:41:42,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-16 12:41:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-16 12:41:42,476 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-16 12:41:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-16 12:41:42,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-16 12:41:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-16 12:41:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 12:41:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 12:41:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-16 12:41:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-16 12:41:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 12:41:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 12:41:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-16 12:41:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-16 12:41:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-16 12:41:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-16 12:41:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-16 12:41:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-16 12:41:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:41:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:41:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-16 12:41:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-16 12:41:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-16 12:41:42,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-16 12:41:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-16 12:41:42,479 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-16 12:41:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-16 12:41:42,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-16 12:41:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:41:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 12:41:42,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 12:41:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-16 12:41:42,480 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-16 12:41:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-16 12:41:42,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-16 12:41:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-16 12:41:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-16 12:41:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-16 12:41:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-16 12:41:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-16 12:41:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-16 12:41:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-16 12:41:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-16 12:41:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 12:41:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 12:41:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:41:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-16 12:41:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-16 12:41:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-16 12:41:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-16 12:41:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-16 12:41:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-16 12:41:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:41:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2022-11-16 12:41:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2022-11-16 12:41:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-16 12:41:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-16 12:41:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 12:41:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 12:41:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-16 12:41:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-16 12:41:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-16 12:41:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-16 12:41:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:41:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:41:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-16 12:41:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-16 12:41:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-16 12:41:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-16 12:41:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-16 12:41:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-16 12:41:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-16 12:41:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-16 12:41:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-16 12:41:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-16 12:41:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-16 12:41:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-16 12:41:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-16 12:41:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-16 12:41:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:41:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:41:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-16 12:41:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-16 12:41:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-16 12:41:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-16 12:41:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-16 12:41:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-16 12:41:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 12:41:42,488 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 12:41:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:41:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-16 12:41:42,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-16 12:41:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-16 12:41:42,488 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-16 12:41:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:41:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:41:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-16 12:41:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-16 12:41:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-16 12:41:42,489 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-16 12:41:42,489 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-16 12:41:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-16 12:41:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-16 12:41:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-16 12:41:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:41:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-16 12:41:42,495 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-16 12:41:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-16 12:41:42,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-16 12:41:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-16 12:41:42,495 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-16 12:41:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:41:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 12:41:42,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 12:41:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-16 12:41:42,498 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-16 12:41:42,498 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-16 12:41:42,498 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-16 12:41:42,498 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 12:41:42,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 12:41:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-16 12:41:42,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-16 12:41:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:41:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:41:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-16 12:41:42,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-16 12:41:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:41:42,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:41:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-16 12:41:42,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-16 12:41:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-16 12:41:42,500 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-16 12:41:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:41:42,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:41:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-16 12:41:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-16 12:41:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-16 12:41:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-16 12:41:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:41:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:41:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-16 12:41:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-16 12:41:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-16 12:41:42,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-16 12:41:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2022-11-16 12:41:42,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2022-11-16 12:41:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-16 12:41:42,502 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-16 12:41:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2022-11-16 12:41:42,502 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2022-11-16 12:41:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-16 12:41:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-16 12:41:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-16 12:41:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-16 12:41:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:41:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:41:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-16 12:41:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-16 12:41:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:41:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-16 12:41:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-16 12:41:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-16 12:41:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-16 12:41:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-16 12:41:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-16 12:41:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-16 12:41:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-16 12:41:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:41:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:41:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-16 12:41:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-16 12:41:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 12:41:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 12:41:43,745 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:41:43,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:41:44,418 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:41:51,783 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:41:51,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:41:51,803 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:41:51,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:51 BoogieIcfgContainer [2022-11-16 12:41:51,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:41:51,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:41:51,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:41:51,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:41:51,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:41:38" (1/3) ... [2022-11-16 12:41:51,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400f5f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:51, skipping insertion in model container [2022-11-16 12:41:51,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:41" (2/3) ... [2022-11-16 12:41:51,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400f5f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:51, skipping insertion in model container [2022-11-16 12:41:51,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:51" (3/3) ... [2022-11-16 12:41:51,820 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-16 12:41:51,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:41:51,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:41:51,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:41:51,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ce47eb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:41:51,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:41:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 2646 states, 1894 states have (on average 1.4181626187961984) internal successors, (2686), 1981 states have internal predecessors, (2686), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) [2022-11-16 12:41:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 12:41:52,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:52,032 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:52,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:52,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:52,041 INFO L85 PathProgramCache]: Analyzing trace with hash -245138274, now seen corresponding path program 1 times [2022-11-16 12:41:52,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:52,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262234894] [2022-11-16 12:41:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:52,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:41:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:41:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:41:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:41:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:41:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 12:41:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:41:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:41:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:41:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:41:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:41:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:41:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:41:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:41:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 12:41:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-16 12:41:53,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:53,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262234894] [2022-11-16 12:41:53,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262234894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:53,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:53,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:41:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208029203] [2022-11-16 12:41:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:53,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:41:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:41:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:41:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:41:53,728 INFO L87 Difference]: Start difference. First operand has 2646 states, 1894 states have (on average 1.4181626187961984) internal successors, (2686), 1981 states have internal predecessors, (2686), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:42:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:55,025 INFO L93 Difference]: Finished difference Result 17044 states and 28974 transitions. [2022-11-16 12:42:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:42:55,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 107 [2022-11-16 12:42:55,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:55,190 INFO L225 Difference]: With dead ends: 17044 [2022-11-16 12:42:55,190 INFO L226 Difference]: Without dead ends: 14305 [2022-11-16 12:42:55,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:42:55,248 INFO L413 NwaCegarLoop]: 5719 mSDtfsCounter, 19708 mSDsluCounter, 17273 mSDsCounter, 0 mSdLazyCounter, 23265 mSolverCounterSat, 10330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20967 SdHoareTripleChecker+Valid, 22992 SdHoareTripleChecker+Invalid, 33595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 10330 IncrementalHoareTripleChecker+Valid, 23265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:55,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20967 Valid, 22992 Invalid, 33595 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [10330 Valid, 23265 Invalid, 0 Unknown, 0 Unchecked, 58.7s Time] [2022-11-16 12:42:55,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2022-11-16 12:42:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 11638. [2022-11-16 12:42:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11638 states, 8347 states have (on average 1.4092488319156584) internal successors, (11763), 8657 states have internal predecessors, (11763), 2645 states have call successors, (2645), 536 states have call predecessors, (2645), 645 states have return successors, (3862), 2583 states have call predecessors, (3862), 2644 states have call successors, (3862) [2022-11-16 12:42:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11638 states to 11638 states and 18270 transitions. [2022-11-16 12:42:56,380 INFO L78 Accepts]: Start accepts. Automaton has 11638 states and 18270 transitions. Word has length 107 [2022-11-16 12:42:56,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:56,384 INFO L495 AbstractCegarLoop]: Abstraction has 11638 states and 18270 transitions. [2022-11-16 12:42:56,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:42:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 11638 states and 18270 transitions. [2022-11-16 12:42:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 12:42:56,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:56,391 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:42:56,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:42:56,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:42:56,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:56,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1348006380, now seen corresponding path program 1 times [2022-11-16 12:42:56,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:42:56,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950766001] [2022-11-16 12:42:56,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:56,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:42:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:42:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:42:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:42:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:42:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:42:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 12:42:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:42:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:42:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:42:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:42:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:42:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:42:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:42:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:42:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 12:42:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-16 12:42:57,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:42:57,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950766001] [2022-11-16 12:42:57,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950766001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:42:57,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:42:57,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:42:57,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392641549] [2022-11-16 12:42:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:42:57,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:42:57,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:42:57,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:42:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:42:57,383 INFO L87 Difference]: Start difference. First operand 11638 states and 18270 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:43:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:49,171 INFO L93 Difference]: Finished difference Result 68638 states and 121126 transitions. [2022-11-16 12:43:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:43:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2022-11-16 12:43:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:49,725 INFO L225 Difference]: With dead ends: 68638 [2022-11-16 12:43:49,725 INFO L226 Difference]: Without dead ends: 57034 [2022-11-16 12:43:50,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:43:50,073 INFO L413 NwaCegarLoop]: 5692 mSDtfsCounter, 24084 mSDsluCounter, 13060 mSDsCounter, 0 mSdLazyCounter, 17586 mSolverCounterSat, 13864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25341 SdHoareTripleChecker+Valid, 18752 SdHoareTripleChecker+Invalid, 31450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13864 IncrementalHoareTripleChecker+Valid, 17586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:50,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25341 Valid, 18752 Invalid, 31450 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13864 Valid, 17586 Invalid, 0 Unknown, 0 Unchecked, 47.8s Time] [2022-11-16 12:43:50,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57034 states. [2022-11-16 12:43:54,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57034 to 48587. [2022-11-16 12:43:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48587 states, 34779 states have (on average 1.4081485954167745) internal successors, (48974), 36065 states have internal predecessors, (48974), 11048 states have call successors, (11048), 2141 states have call predecessors, (11048), 2759 states have return successors, (21519), 10935 states have call predecessors, (21519), 11047 states have call successors, (21519) [2022-11-16 12:43:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48587 states to 48587 states and 81541 transitions. [2022-11-16 12:43:54,898 INFO L78 Accepts]: Start accepts. Automaton has 48587 states and 81541 transitions. Word has length 108 [2022-11-16 12:43:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:54,899 INFO L495 AbstractCegarLoop]: Abstraction has 48587 states and 81541 transitions. [2022-11-16 12:43:54,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:43:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 48587 states and 81541 transitions. [2022-11-16 12:43:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-16 12:43:54,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:54,903 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:54,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:54,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:54,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash -461756378, now seen corresponding path program 1 times [2022-11-16 12:43:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:54,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448630685] [2022-11-16 12:43:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:43:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:43:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:43:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:43:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:43:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 12:43:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:43:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:43:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:43:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:43:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:43:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:43:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:43:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:43:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 12:43:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-16 12:43:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:55,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448630685] [2022-11-16 12:43:55,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448630685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:55,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:55,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:43:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262380192] [2022-11-16 12:43:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:43:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:55,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:43:55,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:55,791 INFO L87 Difference]: Start difference. First operand 48587 states and 81541 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:44:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:57,888 INFO L93 Difference]: Finished difference Result 276467 states and 556683 transitions. [2022-11-16 12:44:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:44:57,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 109 [2022-11-16 12:44:57,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:01,285 INFO L225 Difference]: With dead ends: 276467 [2022-11-16 12:45:01,285 INFO L226 Difference]: Without dead ends: 227914 [2022-11-16 12:45:02,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:45:02,861 INFO L413 NwaCegarLoop]: 5484 mSDtfsCounter, 19807 mSDsluCounter, 17849 mSDsCounter, 0 mSdLazyCounter, 22061 mSolverCounterSat, 9031 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21069 SdHoareTripleChecker+Valid, 23333 SdHoareTripleChecker+Invalid, 31092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9031 IncrementalHoareTripleChecker+Valid, 22061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:45:02,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21069 Valid, 23333 Invalid, 31092 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9031 Valid, 22061 Invalid, 0 Unknown, 0 Unchecked, 46.5s Time] [2022-11-16 12:45:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227914 states.