./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- 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-5e519f3 [2022-11-03 01:55:06,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:55:06,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:55:06,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:55:06,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:55:06,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:55:06,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:55:06,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:55:06,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:55:06,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:55:06,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:55:06,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:55:06,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:55:06,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:55:06,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:55:06,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:55:06,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:55:06,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:55:06,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:55:06,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:55:06,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:55:06,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:55:06,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:55:06,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:55:06,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:55:06,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:55:06,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:55:06,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:55:06,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:55:06,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:55:06,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:55:06,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:55:06,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:55:06,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:55:06,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:55:06,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:55:06,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:55:06,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:55:06,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:55:06,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:55:06,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:55:06,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:55:06,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:55:06,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:55:06,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:55:06,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:55:06,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:55:06,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:55:06,384 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:55:06,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:55:06,385 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:55:06,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:55:06,385 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:55:06,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:55:06,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:55:06,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:55:06,386 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:55:06,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:55:06,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:55:06,387 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:55:06,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:55:06,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:55:06,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:55:06,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:55:06,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:55:06,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:55:06,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:06,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:55:06,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:55:06,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:55:06,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:55:06,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:55:06,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:55:06,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:55:06,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:55:06,391 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_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2022-11-03 01:55:06,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:55:06,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:55:06,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:55:06,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:55:06,704 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:55:06,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-11-03 01:55:06,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/data/332eaa1ae/06050e1d2baa4355bc7063809aff7b68/FLAG140070de2 [2022-11-03 01:55:07,634 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:55:07,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-11-03 01:55:07,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/data/332eaa1ae/06050e1d2baa4355bc7063809aff7b68/FLAG140070de2 [2022-11-03 01:55:07,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/data/332eaa1ae/06050e1d2baa4355bc7063809aff7b68 [2022-11-03 01:55:07,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:55:07,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:55:07,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:07,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:55:07,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:55:07,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:07" (1/1) ... [2022-11-03 01:55:07,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3f3fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:07, skipping insertion in model container [2022-11-03 01:55:07,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:07" (1/1) ... [2022-11-03 01:55:07,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:55:07,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:55:08,335 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2022-11-03 01:55:08,336 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2022-11-03 01:55:08,396 WARN L230 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_df216d27-e82b-4d17-acb1-cc580041e44b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2022-11-03 01:55:08,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:08,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:55:08,752 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2022-11-03 01:55:08,752 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2022-11-03 01:55:08,764 WARN L230 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_df216d27-e82b-4d17-acb1-cc580041e44b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2022-11-03 01:55:08,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:08,905 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:55:08,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08 WrapperNode [2022-11-03 01:55:08,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:08,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:08,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:55:08,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:55:08,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:08,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,014 INFO L138 Inliner]: procedures = 76, calls = 196, calls flagged for inlining = 30, calls inlined = 26, statements flattened = 526 [2022-11-03 01:55:09,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:09,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:55:09,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:55:09,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:55:09,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:55:09,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:55:09,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:55:09,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:55:09,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (1/1) ... [2022-11-03 01:55:09,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:09,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:55:09,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:55:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:55:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-11-03 01:55:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-11-03 01:55:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:55:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:55:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:55:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:55:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:55:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:55:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:55:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:55:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:55:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:55:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2022-11-03 01:55:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2022-11-03 01:55:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2022-11-03 01:55:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2022-11-03 01:55:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:55:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:55:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2022-11-03 01:55:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2022-11-03 01:55:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:55:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:55:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:55:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:55:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:55:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:55:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:55:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:55:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:55:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:55:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:55:09,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:55:09,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:55:09,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:55:10,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:55:10,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:55:10,374 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:55:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:10 BoogieIcfgContainer [2022-11-03 01:55:10,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:55:10,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:55:10,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:55:10,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:55:10,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:55:07" (1/3) ... [2022-11-03 01:55:10,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e7b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:10, skipping insertion in model container [2022-11-03 01:55:10,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:08" (2/3) ... [2022-11-03 01:55:10,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e7b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:10, skipping insertion in model container [2022-11-03 01:55:10,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:10" (3/3) ... [2022-11-03 01:55:10,389 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2022-11-03 01:55:10,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:55:10,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:55:10,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:55:10,523 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=FINITE_AUTOMATA, 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;@5da3f4d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:55:10,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:55:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 67 states have (on average 1.462686567164179) internal successors, (98), 72 states have internal predecessors, (98), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:55:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 01:55:10,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:10,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:10,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:10,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1188404164, now seen corresponding path program 1 times [2022-11-03 01:55:10,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:10,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860374030] [2022-11-03 01:55:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:10,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:11,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:11,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860374030] [2022-11-03 01:55:11,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860374030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:11,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:11,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:11,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521970245] [2022-11-03 01:55:11,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:11,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:11,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:11,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:11,169 INFO L87 Difference]: Start difference. First operand has 96 states, 67 states have (on average 1.462686567164179) internal successors, (98), 72 states have internal predecessors, (98), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:55:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:11,428 INFO L93 Difference]: Finished difference Result 192 states and 265 transitions. [2022-11-03 01:55:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:11,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-03 01:55:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:11,444 INFO L225 Difference]: With dead ends: 192 [2022-11-03 01:55:11,445 INFO L226 Difference]: Without dead ends: 89 [2022-11-03 01:55:11,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:11,460 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 37 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:11,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 172 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:55:11,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-03 01:55:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-11-03 01:55:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-03 01:55:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2022-11-03 01:55:11,534 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 119 transitions. Word has length 27 [2022-11-03 01:55:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:11,534 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 119 transitions. [2022-11-03 01:55:11,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:55:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-11-03 01:55:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 01:55:11,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:11,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:11,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:55:11,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:11,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1405795916, now seen corresponding path program 1 times [2022-11-03 01:55:11,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:11,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647618420] [2022-11-03 01:55:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:55:11,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:11,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647618420] [2022-11-03 01:55:11,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647618420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:11,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:11,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:11,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897207472] [2022-11-03 01:55:11,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:11,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:11,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:11,835 INFO L87 Difference]: Start difference. First operand 89 states and 119 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:55:11,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:11,973 INFO L93 Difference]: Finished difference Result 89 states and 119 transitions. [2022-11-03 01:55:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:11,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-03 01:55:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:11,979 INFO L225 Difference]: With dead ends: 89 [2022-11-03 01:55:11,979 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:55:11,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:11,981 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:11,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:55:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:55:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:55:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:55:11,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-03 01:55:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:11,984 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:55:11,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:55:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:55:11,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:55:11,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:55:11,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:55:11,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:55:12,113 INFO L899 garLoopResultBuilder]: For program point hid_hw_requestEXIT(lines 2662 2675) no Hoare annotation was computed. [2022-11-03 01:55:12,113 INFO L902 garLoopResultBuilder]: At program point hid_hw_requestENTRY(lines 2662 2675) the Hoare annotation is: true [2022-11-03 01:55:12,113 INFO L902 garLoopResultBuilder]: At program point hid_hw_stopENTRY(lines 2639 2646) the Hoare annotation is: true [2022-11-03 01:55:12,114 INFO L899 garLoopResultBuilder]: For program point hid_hw_stopEXIT(lines 2639 2646) no Hoare annotation was computed. [2022-11-03 01:55:12,114 INFO L899 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2022-11-03 01:55:12,114 INFO L902 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2022-11-03 01:55:12,114 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2499 2501) the Hoare annotation is: true [2022-11-03 01:55:12,114 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2499 2501) no Hoare annotation was computed. [2022-11-03 01:55:12,114 INFO L902 garLoopResultBuilder]: At program point hid_hw_closeENTRY(lines 2655 2661) the Hoare annotation is: true [2022-11-03 01:55:12,115 INFO L899 garLoopResultBuilder]: For program point L2658-1(line 2658) no Hoare annotation was computed. [2022-11-03 01:55:12,115 INFO L899 garLoopResultBuilder]: For program point hid_hw_closeEXIT(lines 2655 2661) no Hoare annotation was computed. [2022-11-03 01:55:12,115 INFO L902 garLoopResultBuilder]: At program point L2658(line 2658) the Hoare annotation is: true [2022-11-03 01:55:12,115 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 2552 2558) the Hoare annotation is: true [2022-11-03 01:55:12,115 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2556) no Hoare annotation was computed. [2022-11-03 01:55:12,115 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2552 2558) no Hoare annotation was computed. [2022-11-03 01:55:12,116 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:55:12,116 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-03 01:55:12,116 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:55:12,116 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-03 01:55:12,116 INFO L899 garLoopResultBuilder]: For program point L2526(lines 2526 2533) no Hoare annotation was computed. [2022-11-03 01:55:12,117 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 2519 2535) no Hoare annotation was computed. [2022-11-03 01:55:12,117 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 2519 2535) the Hoare annotation is: true [2022-11-03 01:55:12,118 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 2519 2535) no Hoare annotation was computed. [2022-11-03 01:55:12,118 INFO L899 garLoopResultBuilder]: For program point L2531-1(line 2531) no Hoare annotation was computed. [2022-11-03 01:55:12,118 INFO L902 garLoopResultBuilder]: At program point L2531(line 2531) the Hoare annotation is: true [2022-11-03 01:55:12,118 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2559 2565) no Hoare annotation was computed. [2022-11-03 01:55:12,118 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2559 2565) the Hoare annotation is: true [2022-11-03 01:55:12,118 INFO L902 garLoopResultBuilder]: At program point L2975(lines 2912 2996) the Hoare annotation is: true [2022-11-03 01:55:12,119 INFO L899 garLoopResultBuilder]: For program point L2843(lines 2843 2848) no Hoare annotation was computed. [2022-11-03 01:55:12,119 INFO L899 garLoopResultBuilder]: For program point L2926(line 2926) no Hoare annotation was computed. [2022-11-03 01:55:12,119 INFO L895 garLoopResultBuilder]: At program point L2794(lines 2794 2797) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:55:12,119 INFO L895 garLoopResultBuilder]: At program point L2927(lines 2927 2935) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,119 INFO L899 garLoopResultBuilder]: For program point L2845-1(line 2845) no Hoare annotation was computed. [2022-11-03 01:55:12,121 INFO L902 garLoopResultBuilder]: At program point L2845(line 2845) the Hoare annotation is: true [2022-11-03 01:55:12,121 INFO L899 garLoopResultBuilder]: For program point L3011(lines 3011 3014) no Hoare annotation was computed. [2022-11-03 01:55:12,121 INFO L899 garLoopResultBuilder]: For program point L2945(line 2945) no Hoare annotation was computed. [2022-11-03 01:55:12,122 INFO L899 garLoopResultBuilder]: For program point L2780-2(lines 2780 2785) no Hoare annotation was computed. [2022-11-03 01:55:12,122 INFO L899 garLoopResultBuilder]: For program point L2632(lines 2632 2635) no Hoare annotation was computed. [2022-11-03 01:55:12,122 INFO L899 garLoopResultBuilder]: For program point L2632-2(lines 2632 2635) no Hoare annotation was computed. [2022-11-03 01:55:12,122 INFO L902 garLoopResultBuilder]: At program point L2946(line 2946) the Hoare annotation is: true [2022-11-03 01:55:12,122 INFO L895 garLoopResultBuilder]: At program point L2913-1(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-11-03 01:55:12,123 INFO L895 garLoopResultBuilder]: At program point L2913(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-11-03 01:55:12,123 INFO L895 garLoopResultBuilder]: At program point L2831(lines 2831 2835) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,123 INFO L899 garLoopResultBuilder]: For program point L2633-1(line 2633) no Hoare annotation was computed. [2022-11-03 01:55:12,123 INFO L902 garLoopResultBuilder]: At program point L2633(line 2633) the Hoare annotation is: true [2022-11-03 01:55:12,124 INFO L895 garLoopResultBuilder]: At program point L3013-1(lines 3008 3017) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,124 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: false [2022-11-03 01:55:12,124 INFO L899 garLoopResultBuilder]: For program point L2964(line 2964) no Hoare annotation was computed. [2022-11-03 01:55:12,125 INFO L899 garLoopResultBuilder]: For program point L2799-1(line 2799) no Hoare annotation was computed. [2022-11-03 01:55:12,126 INFO L895 garLoopResultBuilder]: At program point L2799(line 2799) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,126 INFO L899 garLoopResultBuilder]: For program point L2981(line 2981) no Hoare annotation was computed. [2022-11-03 01:55:12,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:55:12,128 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2807 2851) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,128 INFO L895 garLoopResultBuilder]: At program point L2651-1(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,128 INFO L895 garLoopResultBuilder]: At program point L2651(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,128 INFO L895 garLoopResultBuilder]: At program point L2965(lines 2965 2979) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,129 INFO L902 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: true [2022-11-03 01:55:12,131 INFO L895 garLoopResultBuilder]: At program point L2900(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,132 INFO L895 garLoopResultBuilder]: At program point L2900-1(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,134 INFO L895 garLoopResultBuilder]: At program point L2636(lines 2620 2638) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,134 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2972) no Hoare annotation was computed. [2022-11-03 01:55:12,137 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2965 2978) no Hoare annotation was computed. [2022-11-03 01:55:12,137 INFO L895 garLoopResultBuilder]: At program point L2769(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,138 INFO L899 garLoopResultBuilder]: For program point L2753(lines 2753 2757) no Hoare annotation was computed. [2022-11-03 01:55:12,138 INFO L895 garLoopResultBuilder]: At program point L2770(lines 2770 2773) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,138 INFO L899 garLoopResultBuilder]: For program point L2952(line 2952) no Hoare annotation was computed. [2022-11-03 01:55:12,138 INFO L895 garLoopResultBuilder]: At program point L2804(lines 2731 2806) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,138 INFO L899 garLoopResultBuilder]: For program point L2953(lines 2953 2986) no Hoare annotation was computed. [2022-11-03 01:55:12,138 INFO L895 garLoopResultBuilder]: At program point L2788(lines 2788 2791) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,138 INFO L899 garLoopResultBuilder]: For program point L2937(line 2937) no Hoare annotation was computed. [2022-11-03 01:55:12,139 INFO L899 garLoopResultBuilder]: For program point L2921(lines 2921 2990) no Hoare annotation was computed. [2022-11-03 01:55:12,139 INFO L899 garLoopResultBuilder]: For program point L2938(lines 2938 2943) no Hoare annotation was computed. [2022-11-03 01:55:12,139 INFO L899 garLoopResultBuilder]: For program point L2988(line 2988) no Hoare annotation was computed. [2022-11-03 01:55:12,139 INFO L899 garLoopResultBuilder]: For program point L2922(line 2922) no Hoare annotation was computed. [2022-11-03 01:55:12,140 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2983) no Hoare annotation was computed. [2022-11-03 01:55:12,140 INFO L899 garLoopResultBuilder]: For program point L2625-1(line 2625) no Hoare annotation was computed. [2022-11-03 01:55:12,140 INFO L895 garLoopResultBuilder]: At program point L2625(line 2625) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,140 INFO L899 garLoopResultBuilder]: For program point L2939-1(line 2939) no Hoare annotation was computed. [2022-11-03 01:55:12,140 INFO L902 garLoopResultBuilder]: At program point L2939(line 2939) the Hoare annotation is: true [2022-11-03 01:55:12,140 INFO L899 garLoopResultBuilder]: For program point L2956(line 2956) no Hoare annotation was computed. [2022-11-03 01:55:12,140 INFO L902 garLoopResultBuilder]: At program point L2989(line 2989) the Hoare annotation is: true [2022-11-03 01:55:12,141 INFO L899 garLoopResultBuilder]: For program point L2923(lines 2923 2950) no Hoare annotation was computed. [2022-11-03 01:55:12,141 INFO L895 garLoopResultBuilder]: At program point L2775(lines 2746 2805) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,142 INFO L895 garLoopResultBuilder]: At program point L2957(lines 2957 2962) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,143 INFO L899 garLoopResultBuilder]: For program point L2825(lines 2825 2829) no Hoare annotation was computed. [2022-11-03 01:55:12,143 INFO L895 garLoopResultBuilder]: At program point L2627(lines 2627 2630) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,144 INFO L895 garLoopResultBuilder]: At program point L2776(lines 2776 2779) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,147 INFO L895 garLoopResultBuilder]: At program point L2991(lines 2912 2996) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 01:55:12,147 INFO L899 garLoopResultBuilder]: For program point L2925(lines 2925 2947) no Hoare annotation was computed. [2022-11-03 01:55:12,147 INFO L899 garLoopResultBuilder]: For program point ax_removeFINAL(lines 2852 2859) no Hoare annotation was computed. [2022-11-03 01:55:12,148 INFO L899 garLoopResultBuilder]: For program point L2855-1(line 2855) no Hoare annotation was computed. [2022-11-03 01:55:12,148 INFO L902 garLoopResultBuilder]: At program point ax_removeENTRY(lines 2852 2859) the Hoare annotation is: true [2022-11-03 01:55:12,148 INFO L902 garLoopResultBuilder]: At program point L2855(line 2855) the Hoare annotation is: true [2022-11-03 01:55:12,148 INFO L899 garLoopResultBuilder]: For program point ax_removeEXIT(lines 2852 2859) no Hoare annotation was computed. [2022-11-03 01:55:12,148 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:55:12,148 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:55:12,151 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 01:55:12,154 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:55:12,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:55:12 BoogieIcfgContainer [2022-11-03 01:55:12,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:55:12,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:55:12,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:55:12,188 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:55:12,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:10" (3/4) ... [2022-11-03 01:55:12,192 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:55:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 01:55:12,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2022-11-03 01:55:12,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:55:12,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-03 01:55:12,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-03 01:55:12,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2022-11-03 01:55:12,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2022-11-03 01:55:12,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 01:55:12,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2022-11-03 01:55:12,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2022-11-03 01:55:12,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2022-11-03 01:55:12,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-03 01:55:12,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-03 01:55:12,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:55:12,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:55:12,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:55:12,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:55:12,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:55:12,407 INFO L158 Benchmark]: Toolchain (without parser) took 4689.78ms. Allocated memory was 98.6MB in the beginning and 165.7MB in the end (delta: 67.1MB). Free memory was 74.1MB in the beginning and 117.9MB in the end (delta: -43.8MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,408 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:55:12,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1185.68ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 74.1MB in the beginning and 83.3MB in the end (delta: -9.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.56ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 79.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,409 INFO L158 Benchmark]: Boogie Preprocessor took 79.83ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,410 INFO L158 Benchmark]: RCFGBuilder took 1277.52ms. Allocated memory is still 125.8MB. Free memory was 75.0MB in the beginning and 50.4MB in the end (delta: 24.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,410 INFO L158 Benchmark]: TraceAbstraction took 1807.60ms. Allocated memory is still 125.8MB. Free memory was 49.6MB in the beginning and 42.9MB in the end (delta: 6.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,411 INFO L158 Benchmark]: Witness Printer took 219.56ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 42.9MB in the beginning and 117.9MB in the end (delta: -75.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-03 01:55:12,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1185.68ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 74.1MB in the beginning and 83.3MB in the end (delta: -9.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.56ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 79.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.83ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1277.52ms. Allocated memory is still 125.8MB. Free memory was 75.0MB in the beginning and 50.4MB in the end (delta: 24.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1807.60ms. Allocated memory is still 125.8MB. Free memory was 49.6MB in the beginning and 42.9MB in the end (delta: 6.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 219.56ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 42.9MB in the beginning and 117.9MB in the end (delta: -75.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2556]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 155 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 85 PreInvPairs, 120 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2913]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_1 == 0 - InvariantResult [Line: 2957]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2807]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2627]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2794]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2620]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 3008]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2770]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2927]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2900]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2776]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2831]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2788]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2731]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2965]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 01:55:12,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df216d27-e82b-4d17-acb1-cc580041e44b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE