./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 0e0057cc 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_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/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_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:44:28,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:44:28,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 16:44:28,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:44:28,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:44:28,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:44:28,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:44:28,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:44:28,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:44:28,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:44:28,756 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:44:28,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:44:28,757 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:44:28,758 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:44:28,758 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:44:28,759 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:44:28,760 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:44:28,760 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:44:28,761 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:44:28,761 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:44:28,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:44:28,763 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:44:28,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:44:28,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:44:28,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:44:28,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:44:28,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:44:28,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:44:28,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:44:28,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:44:28,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:44:28,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:44:28,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:44:28,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:44:28,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:44:28,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:44:28,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:44:28,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:44:28,771 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:44:28,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:44:28,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:44:28,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:44:28,773 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:44:28,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:44:28,774 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2023-12-02 16:44:29,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:44:29,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:44:29,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:44:29,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:44:29,030 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:44:29,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/../../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 [2023-12-02 16:44:31,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:44:32,151 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:44:32,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/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 [2023-12-02 16:44:32,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/data/f6272e0b8/a67e1e33e2f044b2a9d5dcf353cbc017/FLAG640eff8c7 [2023-12-02 16:44:32,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/data/f6272e0b8/a67e1e33e2f044b2a9d5dcf353cbc017 [2023-12-02 16:44:32,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:44:32,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:44:32,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:44:32,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:44:32,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:44:32,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:32,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de87b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32, skipping insertion in model container [2023-12-02 16:44:32,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:32,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:44:32,628 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2023-12-02 16:44:32,629 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2023-12-02 16:44:32,678 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/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] [2023-12-02 16:44:32,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:44:32,825 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:44:32,890 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2023-12-02 16:44:32,890 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2023-12-02 16:44:32,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] [2023-12-02 16:44:32,898 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/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] [2023-12-02 16:44:32,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:44:32,970 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:44:32,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32 WrapperNode [2023-12-02 16:44:32,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:44:32,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:44:32,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:44:32,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:44:32,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:32,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,040 INFO L138 Inliner]: procedures = 76, calls = 206, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 602 [2023-12-02 16:44:33,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:44:33,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:44:33,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:44:33,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:44:33,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:44:33,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:44:33,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:44:33,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:44:33,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (1/1) ... [2023-12-02 16:44:33,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:44:33,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:44:33,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:44:33,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:44:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:44:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2023-12-02 16:44:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2023-12-02 16:44:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:44:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:44:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 16:44:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 16:44:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 16:44:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 16:44:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:44:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 16:44:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 16:44:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 16:44:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2023-12-02 16:44:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2023-12-02 16:44:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2023-12-02 16:44:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2023-12-02 16:44:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:44:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 16:44:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2023-12-02 16:44:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2023-12-02 16:44:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 16:44:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 16:44:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:44:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 16:44:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 16:44:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:44:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:44:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:44:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 16:44:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 16:44:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 16:44:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:44:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:44:33,409 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:44:33,411 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:44:33,530 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 16:44:33,949 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:44:34,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:44:34,116 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:44:34,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:44:34 BoogieIcfgContainer [2023-12-02 16:44:34,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:44:34,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:44:34,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:44:34,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:44:34,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:44:32" (1/3) ... [2023-12-02 16:44:34,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cb929b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:44:34, skipping insertion in model container [2023-12-02 16:44:34,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:44:32" (2/3) ... [2023-12-02 16:44:34,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cb929b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:44:34, skipping insertion in model container [2023-12-02 16:44:34,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:44:34" (3/3) ... [2023-12-02 16:44:34,126 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 [2023-12-02 16:44:34,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:44:34,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:44:34,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:44:34,194 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22327b3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:44:34,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:44:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 78 states have internal predecessors, (104), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 16:44:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 16:44:34,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:44:34,208 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] [2023-12-02 16:44:34,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:44:34,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:44:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash -899820172, now seen corresponding path program 1 times [2023-12-02 16:44:34,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:44:34,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491212377] [2023-12-02 16:44:34,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:34,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:44:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:44:34,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:44:34,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491212377] [2023-12-02 16:44:34,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491212377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:44:34,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:44:34,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:44:34,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132904171] [2023-12-02 16:44:34,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:44:34,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:44:34,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:44:34,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:44:34,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:44:34,629 INFO L87 Difference]: Start difference. First operand has 108 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 78 states have internal predecessors, (104), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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) [2023-12-02 16:44:34,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:44:34,829 INFO L93 Difference]: Finished difference Result 216 states and 297 transitions. [2023-12-02 16:44:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:44:34,832 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 [2023-12-02 16:44:34,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:44:34,842 INFO L225 Difference]: With dead ends: 216 [2023-12-02 16:44:34,842 INFO L226 Difference]: Without dead ends: 99 [2023-12-02 16:44:34,846 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 [2023-12-02 16:44:34,850 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 37 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:44:34,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 197 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:44:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-12-02 16:44:34,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-12-02 16:44:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:44:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2023-12-02 16:44:34,893 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 132 transitions. Word has length 27 [2023-12-02 16:44:34,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:44:34,894 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 132 transitions. [2023-12-02 16:44:34,894 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) [2023-12-02 16:44:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 132 transitions. [2023-12-02 16:44:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 16:44:34,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:44:34,897 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] [2023-12-02 16:44:34,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:44:34,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:44:34,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:44:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash -263275648, now seen corresponding path program 1 times [2023-12-02 16:44:34,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:44:34,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843184318] [2023-12-02 16:44:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:44:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 16:44:35,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:44:35,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843184318] [2023-12-02 16:44:35,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843184318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:44:35,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:44:35,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:44:35,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417901424] [2023-12-02 16:44:35,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:44:35,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:44:35,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:44:35,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:44:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:44:35,256 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 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) [2023-12-02 16:44:35,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:44:35,404 INFO L93 Difference]: Finished difference Result 99 states and 132 transitions. [2023-12-02 16:44:35,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:44:35,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 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 [2023-12-02 16:44:35,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:44:35,405 INFO L225 Difference]: With dead ends: 99 [2023-12-02 16:44:35,405 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:44:35,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:44:35,408 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 72 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:44:35,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 150 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:44:35,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:44:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:44:35,411 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) [2023-12-02 16:44:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:44:35,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-12-02 16:44:35,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:44:35,412 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:44:35,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 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) [2023-12-02 16:44:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:44:35,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:44:35,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:44:35,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:44:35,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:44:35,493 INFO L899 garLoopResultBuilder]: For program point hid_hw_requestEXIT(lines 2662 2675) no Hoare annotation was computed. [2023-12-02 16:44:35,493 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2662 2675) the Hoare annotation is: true [2023-12-02 16:44:35,493 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2639 2646) the Hoare annotation is: true [2023-12-02 16:44:35,494 INFO L899 garLoopResultBuilder]: For program point hid_hw_stopEXIT(lines 2639 2646) no Hoare annotation was computed. [2023-12-02 16:44:35,494 INFO L899 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2023-12-02 16:44:35,494 INFO L902 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2023-12-02 16:44:35,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2499 2501) the Hoare annotation is: true [2023-12-02 16:44:35,495 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2499 2501) no Hoare annotation was computed. [2023-12-02 16:44:35,495 INFO L899 garLoopResultBuilder]: For program point L2658-1(line 2658) no Hoare annotation was computed. [2023-12-02 16:44:35,495 INFO L899 garLoopResultBuilder]: For program point hid_hw_closeEXIT(lines 2655 2661) no Hoare annotation was computed. [2023-12-02 16:44:35,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2655 2661) the Hoare annotation is: true [2023-12-02 16:44:35,496 INFO L902 garLoopResultBuilder]: At program point L2658(line 2658) the Hoare annotation is: true [2023-12-02 16:44:35,496 INFO L899 garLoopResultBuilder]: For program point dev_errEXIT(lines 3084 3086) no Hoare annotation was computed. [2023-12-02 16:44:35,496 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3084 3086) the Hoare annotation is: true [2023-12-02 16:44:35,497 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 2552 2558) the Hoare annotation is: true [2023-12-02 16:44:35,497 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2556) no Hoare annotation was computed. [2023-12-02 16:44:35,497 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2552 2558) no Hoare annotation was computed. [2023-12-02 16:44:35,497 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:44:35,498 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-12-02 16:44:35,498 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2023-12-02 16:44:35,498 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-12-02 16:44:35,498 INFO L899 garLoopResultBuilder]: For program point L2526(lines 2526 2533) no Hoare annotation was computed. [2023-12-02 16:44:35,498 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2519 2535) the Hoare annotation is: true [2023-12-02 16:44:35,499 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 2519 2535) no Hoare annotation was computed. [2023-12-02 16:44:35,499 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 2519 2535) no Hoare annotation was computed. [2023-12-02 16:44:35,499 INFO L899 garLoopResultBuilder]: For program point L2531-1(line 2531) no Hoare annotation was computed. [2023-12-02 16:44:35,499 INFO L902 garLoopResultBuilder]: At program point L2531(line 2531) the Hoare annotation is: true [2023-12-02 16:44:35,499 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 2559 2565) the Hoare annotation is: true [2023-12-02 16:44:35,500 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2559 2565) no Hoare annotation was computed. [2023-12-02 16:44:35,500 INFO L899 garLoopResultBuilder]: For program point L2843(lines 2843 2848) no Hoare annotation was computed. [2023-12-02 16:44:35,500 INFO L899 garLoopResultBuilder]: For program point L2794(lines 2794 2797) no Hoare annotation was computed. [2023-12-02 16:44:35,500 INFO L902 garLoopResultBuilder]: At program point L2844(line 2844) the Hoare annotation is: true [2023-12-02 16:44:35,500 INFO L899 garLoopResultBuilder]: For program point L2844-1(line 2844) no Hoare annotation was computed. [2023-12-02 16:44:35,501 INFO L899 garLoopResultBuilder]: For program point ax_probe_returnLabel#1(lines 2807 2851) no Hoare annotation was computed. [2023-12-02 16:44:35,501 INFO L899 garLoopResultBuilder]: For program point L2845-1(line 2845) no Hoare annotation was computed. [2023-12-02 16:44:35,501 INFO L902 garLoopResultBuilder]: At program point L2845(line 2845) the Hoare annotation is: true [2023-12-02 16:44:35,501 INFO L899 garLoopResultBuilder]: For program point L3011-7(lines 3011 3014) no Hoare annotation was computed. [2023-12-02 16:44:35,501 INFO L899 garLoopResultBuilder]: For program point L2780-2(lines 2780 2785) no Hoare annotation was computed. [2023-12-02 16:44:35,502 INFO L899 garLoopResultBuilder]: For program point L2632(lines 2632 2635) no Hoare annotation was computed. [2023-12-02 16:44:35,502 INFO L899 garLoopResultBuilder]: For program point L2632-2(lines 2632 2635) no Hoare annotation was computed. [2023-12-02 16:44:35,502 INFO L902 garLoopResultBuilder]: At program point L2946(line 2946) the Hoare annotation is: true [2023-12-02 16:44:35,502 INFO L899 garLoopResultBuilder]: For program point L2913-1(line 2913) no Hoare annotation was computed. [2023-12-02 16:44:35,503 INFO L895 garLoopResultBuilder]: At program point L2913(line 2913) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2023-12-02 16:44:35,503 INFO L899 garLoopResultBuilder]: For program point L2781-1(lines 2781 2782) no Hoare annotation was computed. [2023-12-02 16:44:35,503 INFO L895 garLoopResultBuilder]: At program point L2781(lines 2781 2782) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,504 INFO L899 garLoopResultBuilder]: For program point L2831(lines 2831 2835) no Hoare annotation was computed. [2023-12-02 16:44:35,504 INFO L899 garLoopResultBuilder]: For program point L2633-1(line 2633) no Hoare annotation was computed. [2023-12-02 16:44:35,504 INFO L899 garLoopResultBuilder]: For program point axff_init_returnLabel#1(lines 2731 2806) no Hoare annotation was computed. [2023-12-02 16:44:35,504 INFO L902 garLoopResultBuilder]: At program point L2633(line 2633) the Hoare annotation is: true [2023-12-02 16:44:35,504 INFO L899 garLoopResultBuilder]: For program point L3013-1(lines 3008 3017) no Hoare annotation was computed. [2023-12-02 16:44:35,505 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: false [2023-12-02 16:44:35,505 INFO L895 garLoopResultBuilder]: At program point L2832(line 2832) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,505 INFO L899 garLoopResultBuilder]: For program point L2799-1(line 2799) no Hoare annotation was computed. [2023-12-02 16:44:35,505 INFO L899 garLoopResultBuilder]: For program point L2832-1(line 2832) no Hoare annotation was computed. [2023-12-02 16:44:35,505 INFO L895 garLoopResultBuilder]: At program point L2799(line 2799) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:44:35,506 INFO L899 garLoopResultBuilder]: For program point L2651-1(line 2651) no Hoare annotation was computed. [2023-12-02 16:44:35,506 INFO L895 garLoopResultBuilder]: At program point L2651(line 2651) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,507 INFO L902 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: true [2023-12-02 16:44:35,507 INFO L895 garLoopResultBuilder]: At program point L2900(line 2900) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,507 INFO L899 garLoopResultBuilder]: For program point L2900-1(line 2900) no Hoare annotation was computed. [2023-12-02 16:44:35,507 INFO L899 garLoopResultBuilder]: For program point L2769(lines 2746 2805) no Hoare annotation was computed. [2023-12-02 16:44:35,508 INFO L899 garLoopResultBuilder]: For program point L2753(lines 2753 2757) no Hoare annotation was computed. [2023-12-02 16:44:35,508 INFO L899 garLoopResultBuilder]: For program point L2770(lines 2770 2773) no Hoare annotation was computed. [2023-12-02 16:44:35,508 INFO L899 garLoopResultBuilder]: For program point L2952(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,508 INFO L899 garLoopResultBuilder]: For program point L2952-2(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,509 INFO L899 garLoopResultBuilder]: For program point L2919(lines 2912 2996) no Hoare annotation was computed. [2023-12-02 16:44:35,509 INFO L899 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,509 INFO L899 garLoopResultBuilder]: For program point L2952-4(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,509 INFO L899 garLoopResultBuilder]: For program point L2952-3(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,510 INFO L895 garLoopResultBuilder]: At program point L2754(line 2754) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,510 INFO L899 garLoopResultBuilder]: For program point L2952-6(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,510 INFO L899 garLoopResultBuilder]: For program point L2952-5(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,510 INFO L899 garLoopResultBuilder]: For program point L2952-8(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,511 INFO L899 garLoopResultBuilder]: For program point L2754-1(line 2754) no Hoare annotation was computed. [2023-12-02 16:44:35,511 INFO L899 garLoopResultBuilder]: For program point L2952-11(line 2952) no Hoare annotation was computed. [2023-12-02 16:44:35,511 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:44:35,511 INFO L899 garLoopResultBuilder]: For program point L2788(lines 2788 2791) no Hoare annotation was computed. [2023-12-02 16:44:35,512 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 2912 2996) no Hoare annotation was computed. [2023-12-02 16:44:35,512 INFO L899 garLoopResultBuilder]: For program point L2921(lines 2921 2990) no Hoare annotation was computed. [2023-12-02 16:44:35,512 INFO L899 garLoopResultBuilder]: For program point L2988(line 2988) no Hoare annotation was computed. [2023-12-02 16:44:35,512 INFO L899 garLoopResultBuilder]: For program point L2922(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,512 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2921 2990) no Hoare annotation was computed. [2023-12-02 16:44:35,513 INFO L899 garLoopResultBuilder]: For program point L2922-2(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,513 INFO L899 garLoopResultBuilder]: For program point L2922-1(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,513 INFO L899 garLoopResultBuilder]: For program point L2922-3(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,513 INFO L899 garLoopResultBuilder]: For program point L2922-8(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,513 INFO L899 garLoopResultBuilder]: For program point L2625-1(line 2625) no Hoare annotation was computed. [2023-12-02 16:44:35,514 INFO L895 garLoopResultBuilder]: At program point L2625(line 2625) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,514 INFO L899 garLoopResultBuilder]: For program point L2922-9(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,514 INFO L899 garLoopResultBuilder]: For program point L2922-12(line 2922) no Hoare annotation was computed. [2023-12-02 16:44:35,514 INFO L899 garLoopResultBuilder]: For program point L2939-1(line 2939) no Hoare annotation was computed. [2023-12-02 16:44:35,514 INFO L902 garLoopResultBuilder]: At program point L2939(line 2939) the Hoare annotation is: true [2023-12-02 16:44:35,514 INFO L902 garLoopResultBuilder]: At program point L2989(line 2989) the Hoare annotation is: true [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point hid_hw_start_returnLabel#1(lines 2620 2638) no Hoare annotation was computed. [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point L2775(lines 2746 2805) no Hoare annotation was computed. [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point L2825(lines 2825 2829) no Hoare annotation was computed. [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point L2627(lines 2627 2630) no Hoare annotation was computed. [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point L2776(lines 2776 2779) no Hoare annotation was computed. [2023-12-02 16:44:35,515 INFO L899 garLoopResultBuilder]: For program point L2925(lines 2921 2990) no Hoare annotation was computed. [2023-12-02 16:44:35,516 INFO L895 garLoopResultBuilder]: At program point L2826(line 2826) the Hoare annotation is: (= ~ldv_spin~0 0) [2023-12-02 16:44:35,516 INFO L899 garLoopResultBuilder]: For program point L2826-1(line 2826) no Hoare annotation was computed. [2023-12-02 16:44:35,516 INFO L899 garLoopResultBuilder]: For program point ax_removeFINAL(lines 2852 2859) no Hoare annotation was computed. [2023-12-02 16:44:35,516 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2852 2859) the Hoare annotation is: true [2023-12-02 16:44:35,516 INFO L899 garLoopResultBuilder]: For program point L2855-1(line 2855) no Hoare annotation was computed. [2023-12-02 16:44:35,517 INFO L902 garLoopResultBuilder]: At program point L2855(line 2855) the Hoare annotation is: true [2023-12-02 16:44:35,517 INFO L899 garLoopResultBuilder]: For program point ax_removeEXIT(lines 2852 2859) no Hoare annotation was computed. [2023-12-02 16:44:35,517 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-12-02 16:44:35,517 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:44:35,520 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:44:35,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:44:35,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:44:35 BoogieIcfgContainer [2023-12-02 16:44:35,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:44:35,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:44:35,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:44:35,535 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:44:35,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:44:34" (3/4) ... [2023-12-02 16:44:35,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:44:35,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-12-02 16:44:35,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2023-12-02 16:44:35,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-12-02 16:44:35,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2023-12-02 16:44:35,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2023-12-02 16:44:35,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2023-12-02 16:44:35,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2023-12-02 16:44:35,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 16:44:35,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2023-12-02 16:44:35,544 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2023-12-02 16:44:35,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2023-12-02 16:44:35,562 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2023-12-02 16:44:35,564 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-12-02 16:44:35,566 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 16:44:35,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 16:44:35,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:44:35,572 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:44:35,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:44:35,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:44:35,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:44:35,786 INFO L158 Benchmark]: Toolchain (without parser) took 3592.77ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 100.8MB in the beginning and 193.3MB in the end (delta: -92.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,786 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:44:35,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.26ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 100.8MB in the beginning and 154.6MB in the end (delta: -53.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.24ms. Allocated memory is still 216.0MB. Free memory was 154.6MB in the beginning and 150.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,788 INFO L158 Benchmark]: Boogie Preprocessor took 66.26ms. Allocated memory is still 216.0MB. Free memory was 149.5MB in the beginning and 145.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,788 INFO L158 Benchmark]: RCFGBuilder took 1009.88ms. Allocated memory is still 216.0MB. Free memory was 145.3MB in the beginning and 129.1MB in the end (delta: 16.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,788 INFO L158 Benchmark]: TraceAbstraction took 1413.39ms. Allocated memory was 216.0MB in the beginning and 262.1MB in the end (delta: 46.1MB). Free memory was 129.1MB in the beginning and 208.1MB in the end (delta: -79.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,789 INFO L158 Benchmark]: Witness Printer took 250.78ms. Allocated memory is still 262.1MB. Free memory was 208.1MB in the beginning and 193.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:44:35,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.26ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 100.8MB in the beginning and 154.6MB in the end (delta: -53.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.24ms. Allocated memory is still 216.0MB. Free memory was 154.6MB in the beginning and 150.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.26ms. Allocated memory is still 216.0MB. Free memory was 149.5MB in the beginning and 145.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.88ms. Allocated memory is still 216.0MB. Free memory was 145.3MB in the beginning and 129.1MB in the end (delta: 16.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1413.39ms. Allocated memory was 216.0MB in the beginning and 262.1MB in the end (delta: 46.1MB). Free memory was 129.1MB in the beginning and 208.1MB in the end (delta: -79.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 250.78ms. Allocated memory is still 262.1MB. Free memory was 208.1MB in the beginning and 193.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2477]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] * 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]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 177 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 80 PreInvPairs, 97 NumberOfFragments, 55 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 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: 2639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2662]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 16:44:35,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccca9d76-20f3-4c62-b754-dbb2c9dd0e84/bin/utaipan-verify-nQ1chXbOIh/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