./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:42:29,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:42:29,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:42:29,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:42:29,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:42:29,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:42:29,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:42:29,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:42:29,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:42:29,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:42:29,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:42:29,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:42:29,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:42:29,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:42:29,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:42:29,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:42:29,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:42:29,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:42:29,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:42:29,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:42:29,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:42:29,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:42:29,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:42:29,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:42:29,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:42:29,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:42:29,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:42:29,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:42:29,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:42:29,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:42:29,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:42:29,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:42:29,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:42:29,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:42:29,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:42:29,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:42:29,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:42:29,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:42:29,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:42:29,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:42:29,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:42:29,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:42:29,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:42:29,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:42:29,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:42:29,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:42:29,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:42:29,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:42:29,259 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:42:29,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:42:29,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:42:29,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:42:29,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:42:29,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:42:29,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:42:29,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:42:29,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:42:29,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:42:29,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:42:29,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:42:29,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:42:29,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:42:29,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:42:29,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:42:29,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:42:29,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:42:29,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:42:29,264 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:42:29,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:42:29,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:42:29,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:42:29,265 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_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2021-11-22 14:42:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:42:29,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:42:29,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:42:29,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:42:29,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:42:29,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:42:29,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/d2a976297/3137168b97bf421db75ad8b1d90e8a89/FLAGb66e68b21 [2021-11-22 14:42:30,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:42:30,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:42:30,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/d2a976297/3137168b97bf421db75ad8b1d90e8a89/FLAGb66e68b21 [2021-11-22 14:42:31,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/d2a976297/3137168b97bf421db75ad8b1d90e8a89 [2021-11-22 14:42:31,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:42:31,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:42:31,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:42:31,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:42:31,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:42:31,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:31" (1/1) ... [2021-11-22 14:42:31,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a4352b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:31, skipping insertion in model container [2021-11-22 14:42:31,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:31" (1/1) ... [2021-11-22 14:42:31,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:42:31,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:42:34,759 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_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2021-11-22 14:42:34,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:42:34,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:42:35,679 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_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2021-11-22 14:42:35,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:42:35,852 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:42:35,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35 WrapperNode [2021-11-22 14:42:35,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:42:35,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:42:35,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:42:35,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:42:35,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:35,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:37,289 INFO L137 Inliner]: procedures = 445, calls = 3482, calls flagged for inlining = 994, calls inlined = 3567, statements flattened = 45637 [2021-11-22 14:42:37,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:42:37,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:42:37,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:42:37,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:42:37,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:37,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:37,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:37,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:38,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:38,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:38,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:39,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:42:39,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:42:39,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:42:39,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:42:39,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (1/1) ... [2021-11-22 14:42:39,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:42:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:42:39,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:42:39,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:42:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-22 14:42:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-22 14:42:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:42:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 14:42:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 14:42:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 14:42:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:42:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:42:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 14:42:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 14:42:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:42:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:42:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:42:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:42:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:42:40,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:42:40,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:43:21,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-3: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-1: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-7: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-5: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-11: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-9: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-22 14:43:21,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3772: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3773: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1037: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1038: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-3: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-2: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-1: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-5: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-4: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-5: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-5: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-4: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-4: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-3: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-3: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-2: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-2: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4 == __copy_from_user_~size#1; [2021-11-22 14:43:21,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-2: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,334 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-2: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-5: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-5: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-4: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-4: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-3: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-3: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8 == __copy_from_user_~size#1; [2021-11-22 14:43:21,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-3: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-3: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-2: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-2: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,338 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,338 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-5: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,338 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-5: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,338 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-4: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,338 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-4: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10 == __copy_from_user_~size#1; [2021-11-22 14:43:21,339 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,339 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,339 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-4: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,339 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-4: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,339 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-3: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,340 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-3: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,340 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-2: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,340 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-2: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,340 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,340 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-5: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-5: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16 == __copy_from_user_~size#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-1: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-1: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,341 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-5: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-5: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-4: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-4: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-3: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-3: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-2: assume 0 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-2: assume !(0 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-5: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-5: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-4: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-4: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,345 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-3: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,345 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-3: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,345 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-2: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:43:21,345 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-2: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:43:21,345 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-2: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-2: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-1: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-1: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-5: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-5: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-4: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-4: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-3: assume 0 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-3: assume !(0 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-2: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-2: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-1: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-5: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-5: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,349 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-4: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-4: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-3: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := copy_user_generic_~ret~0#1 % 4294967296; [2021-11-22 14:43:21,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-3: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:43:21,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##462: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5982: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5983: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3198: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3197: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,353 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6558: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2 == __copy_from_user_~size#1; [2021-11-22 14:43:21,354 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6557: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:43:21,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-32: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-31: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-86: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-85: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,357 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-248: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,357 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-247: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,357 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-302: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,357 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-301: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-464: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-465: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-518: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret209#1 && __copy_from_user_#t~ret209#1 <= 9223372036854775807;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:43:21,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-519: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret210#1 && __copy_from_user_#t~ret210#1 <= 9223372036854775807;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:43:21,358 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:43:21,425 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:43:21,425 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:43:21,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:43:21 BoogieIcfgContainer [2021-11-22 14:43:21,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:43:21,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:43:21,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:43:21,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:43:21,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:42:31" (1/3) ... [2021-11-22 14:43:21,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbdee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:43:21, skipping insertion in model container [2021-11-22 14:43:21,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:35" (2/3) ... [2021-11-22 14:43:21,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbdee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:43:21, skipping insertion in model container [2021-11-22 14:43:21,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:43:21" (3/3) ... [2021-11-22 14:43:21,449 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:43:21,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:43:21,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 137 error locations. [2021-11-22 14:43:21,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:43:21,572 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:43:21,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 137 error locations. [2021-11-22 14:43:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 8513 states, 8375 states have (on average 1.3946268656716418) internal successors, (11680), 8512 states have internal predecessors, (11680), 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) [2021-11-22 14:43:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 14:43:21,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:21,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:21,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:21,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:21,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1496895859, now seen corresponding path program 1 times [2021-11-22 14:43:21,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:21,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765522904] [2021-11-22 14:43:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:21,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:22,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:22,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765522904] [2021-11-22 14:43:22,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765522904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:22,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:22,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:22,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221415339] [2021-11-22 14:43:22,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:22,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:22,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:22,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:22,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:22,491 INFO L87 Difference]: Start difference. First operand has 8513 states, 8375 states have (on average 1.3946268656716418) internal successors, (11680), 8512 states have internal predecessors, (11680), 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 14:43:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:23,029 INFO L93 Difference]: Finished difference Result 16855 states and 23174 transitions. [2021-11-22 14:43:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:23,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-11-22 14:43:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:23,123 INFO L225 Difference]: With dead ends: 16855 [2021-11-22 14:43:23,123 INFO L226 Difference]: Without dead ends: 8300 [2021-11-22 14:43:23,154 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:23,157 INFO L933 BasicCegarLoop]: 11358 mSDtfsCounter, 11350 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11350 SdHoareTripleChecker+Valid, 11358 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:23,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11350 Valid, 11358 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:43:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2021-11-22 14:43:23,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 8300. [2021-11-22 14:43:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 8164 states have (on average 1.3737138657520822) internal successors, (11215), 8299 states have internal predecessors, (11215), 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) [2021-11-22 14:43:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 11215 transitions. [2021-11-22 14:43:23,734 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 11215 transitions. Word has length 11 [2021-11-22 14:43:23,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:23,734 INFO L470 AbstractCegarLoop]: Abstraction has 8300 states and 11215 transitions. [2021-11-22 14:43:23,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 14:43:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 11215 transitions. [2021-11-22 14:43:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:43:23,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:23,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:23,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:43:23,737 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:23,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash 840893923, now seen corresponding path program 1 times [2021-11-22 14:43:23,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:23,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275239721] [2021-11-22 14:43:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:23,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:23,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:23,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275239721] [2021-11-22 14:43:23,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275239721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:23,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:23,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:23,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078071126] [2021-11-22 14:43:23,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:23,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:23,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:23,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:23,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:23,917 INFO L87 Difference]: Start difference. First operand 8300 states and 11215 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 14:43:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:24,389 INFO L93 Difference]: Finished difference Result 8300 states and 11215 transitions. [2021-11-22 14:43:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-11-22 14:43:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:24,442 INFO L225 Difference]: With dead ends: 8300 [2021-11-22 14:43:24,442 INFO L226 Difference]: Without dead ends: 8298 [2021-11-22 14:43:24,446 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:24,447 INFO L933 BasicCegarLoop]: 11212 mSDtfsCounter, 11203 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11203 SdHoareTripleChecker+Valid, 11212 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:24,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11203 Valid, 11212 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:24,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8298 states. [2021-11-22 14:43:24,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8298 to 8298. [2021-11-22 14:43:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8298 states, 8163 states have (on average 1.3736371432071541) internal successors, (11213), 8297 states have internal predecessors, (11213), 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) [2021-11-22 14:43:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8298 states to 8298 states and 11213 transitions. [2021-11-22 14:43:24,831 INFO L78 Accepts]: Start accepts. Automaton has 8298 states and 11213 transitions. Word has length 12 [2021-11-22 14:43:24,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:24,831 INFO L470 AbstractCegarLoop]: Abstraction has 8298 states and 11213 transitions. [2021-11-22 14:43:24,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 14:43:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 8298 states and 11213 transitions. [2021-11-22 14:43:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 14:43:24,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:24,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:24,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:43:24,834 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr133ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:24,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:24,835 INFO L85 PathProgramCache]: Analyzing trace with hash 297933144, now seen corresponding path program 1 times [2021-11-22 14:43:24,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:24,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841951414] [2021-11-22 14:43:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:24,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:25,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:25,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841951414] [2021-11-22 14:43:25,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841951414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:25,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:25,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:25,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628339735] [2021-11-22 14:43:25,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:25,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:25,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:25,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:25,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:25,056 INFO L87 Difference]: Start difference. First operand 8298 states and 11213 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 14:43:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:25,480 INFO L93 Difference]: Finished difference Result 8298 states and 11213 transitions. [2021-11-22 14:43:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:25,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2021-11-22 14:43:25,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:25,529 INFO L225 Difference]: With dead ends: 8298 [2021-11-22 14:43:25,529 INFO L226 Difference]: Without dead ends: 8296 [2021-11-22 14:43:25,532 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:25,533 INFO L933 BasicCegarLoop]: 11210 mSDtfsCounter, 11200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11200 SdHoareTripleChecker+Valid, 11210 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:25,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11200 Valid, 11210 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:25,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8296 states. [2021-11-22 14:43:25,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8296 to 8296. [2021-11-22 14:43:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8296 states, 8162 states have (on average 1.3735604018622887) internal successors, (11211), 8295 states have internal predecessors, (11211), 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) [2021-11-22 14:43:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8296 states to 8296 states and 11211 transitions. [2021-11-22 14:43:25,852 INFO L78 Accepts]: Start accepts. Automaton has 8296 states and 11211 transitions. Word has length 13 [2021-11-22 14:43:25,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:25,853 INFO L470 AbstractCegarLoop]: Abstraction has 8296 states and 11211 transitions. [2021-11-22 14:43:25,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 14:43:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8296 states and 11211 transitions. [2021-11-22 14:43:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 14:43:25,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:25,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:25,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:43:25,856 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:25,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash 646018190, now seen corresponding path program 1 times [2021-11-22 14:43:25,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:25,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060881661] [2021-11-22 14:43:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:25,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:26,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:26,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060881661] [2021-11-22 14:43:26,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060881661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:26,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:26,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:26,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329967827] [2021-11-22 14:43:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:26,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:26,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:26,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:26,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:26,013 INFO L87 Difference]: Start difference. First operand 8296 states and 11211 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 14:43:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:26,889 INFO L93 Difference]: Finished difference Result 18198 states and 24572 transitions. [2021-11-22 14:43:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:26,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-11-22 14:43:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:26,941 INFO L225 Difference]: With dead ends: 18198 [2021-11-22 14:43:26,941 INFO L226 Difference]: Without dead ends: 9956 [2021-11-22 14:43:26,955 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:26,965 INFO L933 BasicCegarLoop]: 13372 mSDtfsCounter, 4357 mSDsluCounter, 8859 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 22231 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:26,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4357 Valid, 22231 Invalid, 227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:43:26,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9956 states. [2021-11-22 14:43:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9956 to 9908. [2021-11-22 14:43:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9908 states, 9787 states have (on average 1.3670174721569428) internal successors, (13379), 9907 states have internal predecessors, (13379), 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) [2021-11-22 14:43:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9908 states to 9908 states and 13379 transitions. [2021-11-22 14:43:27,339 INFO L78 Accepts]: Start accepts. Automaton has 9908 states and 13379 transitions. Word has length 14 [2021-11-22 14:43:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:27,339 INFO L470 AbstractCegarLoop]: Abstraction has 9908 states and 13379 transitions. [2021-11-22 14:43:27,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 14:43:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9908 states and 13379 transitions. [2021-11-22 14:43:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 14:43:27,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:27,343 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:27,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:43:27,344 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:27,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:27,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1448247261, now seen corresponding path program 1 times [2021-11-22 14:43:27,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:27,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887702672] [2021-11-22 14:43:27,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:27,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:27,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:27,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887702672] [2021-11-22 14:43:27,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887702672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:27,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:27,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:27,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305889935] [2021-11-22 14:43:27,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:27,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:27,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:27,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:27,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:27,539 INFO L87 Difference]: Start difference. First operand 9908 states and 13379 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 14:43:28,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:28,038 INFO L93 Difference]: Finished difference Result 9908 states and 13379 transitions. [2021-11-22 14:43:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:28,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2021-11-22 14:43:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:28,066 INFO L225 Difference]: With dead ends: 9908 [2021-11-22 14:43:28,066 INFO L226 Difference]: Without dead ends: 9892 [2021-11-22 14:43:28,069 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:28,070 INFO L933 BasicCegarLoop]: 11161 mSDtfsCounter, 10992 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10992 SdHoareTripleChecker+Valid, 11291 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:28,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10992 Valid, 11291 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:43:28,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9892 states. [2021-11-22 14:43:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9892 to 9892. [2021-11-22 14:43:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9892 states, 9779 states have (on average 1.366295122200634) internal successors, (13361), 9891 states have internal predecessors, (13361), 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) [2021-11-22 14:43:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 9892 states and 13361 transitions. [2021-11-22 14:43:28,429 INFO L78 Accepts]: Start accepts. Automaton has 9892 states and 13361 transitions. Word has length 15 [2021-11-22 14:43:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:28,429 INFO L470 AbstractCegarLoop]: Abstraction has 9892 states and 13361 transitions. [2021-11-22 14:43:28,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 14:43:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9892 states and 13361 transitions. [2021-11-22 14:43:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 14:43:28,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:28,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:28,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:43:28,435 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:28,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1945966791, now seen corresponding path program 1 times [2021-11-22 14:43:28,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:28,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771949092] [2021-11-22 14:43:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:28,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:28,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:28,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771949092] [2021-11-22 14:43:28,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771949092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:28,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:28,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:28,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200064789] [2021-11-22 14:43:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:28,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:28,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:28,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:28,586 INFO L87 Difference]: Start difference. First operand 9892 states and 13361 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 14:43:29,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:29,112 INFO L93 Difference]: Finished difference Result 9892 states and 13361 transitions. [2021-11-22 14:43:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:29,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2021-11-22 14:43:29,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:29,142 INFO L225 Difference]: With dead ends: 9892 [2021-11-22 14:43:29,143 INFO L226 Difference]: Without dead ends: 9843 [2021-11-22 14:43:29,147 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:29,149 INFO L933 BasicCegarLoop]: 11125 mSDtfsCounter, 10801 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10801 SdHoareTripleChecker+Valid, 11321 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:29,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10801 Valid, 11321 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:43:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9843 states. [2021-11-22 14:43:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9843 to 9843. [2021-11-22 14:43:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9843 states, 9745 states have (on average 1.3654181631605953) internal successors, (13306), 9842 states have internal predecessors, (13306), 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) [2021-11-22 14:43:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 13306 transitions. [2021-11-22 14:43:29,625 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 13306 transitions. Word has length 16 [2021-11-22 14:43:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:29,625 INFO L470 AbstractCegarLoop]: Abstraction has 9843 states and 13306 transitions. [2021-11-22 14:43:29,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 14:43:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 13306 transitions. [2021-11-22 14:43:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 14:43:29,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:29,630 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:29,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:43:29,648 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:29,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1410421287, now seen corresponding path program 1 times [2021-11-22 14:43:29,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:29,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287159753] [2021-11-22 14:43:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:29,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:29,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:29,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287159753] [2021-11-22 14:43:29,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287159753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:29,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:29,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:29,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797736439] [2021-11-22 14:43:29,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:29,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:29,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:29,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:29,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:29,899 INFO L87 Difference]: Start difference. First operand 9843 states and 13306 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-22 14:43:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:30,561 INFO L93 Difference]: Finished difference Result 27773 states and 37493 transitions. [2021-11-22 14:43:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:30,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2021-11-22 14:43:30,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:30,614 INFO L225 Difference]: With dead ends: 27773 [2021-11-22 14:43:30,614 INFO L226 Difference]: Without dead ends: 17984 [2021-11-22 14:43:30,636 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:30,638 INFO L933 BasicCegarLoop]: 11112 mSDtfsCounter, 8863 mSDsluCounter, 10995 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8863 SdHoareTripleChecker+Valid, 22107 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:30,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8863 Valid, 22107 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17984 states. [2021-11-22 14:43:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17984 to 11886. [2021-11-22 14:43:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11886 states, 11788 states have (on average 1.3579911774686122) internal successors, (16008), 11885 states have internal predecessors, (16008), 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) [2021-11-22 14:43:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11886 states to 11886 states and 16008 transitions. [2021-11-22 14:43:31,318 INFO L78 Accepts]: Start accepts. Automaton has 11886 states and 16008 transitions. Word has length 33 [2021-11-22 14:43:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:31,318 INFO L470 AbstractCegarLoop]: Abstraction has 11886 states and 16008 transitions. [2021-11-22 14:43:31,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-22 14:43:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 11886 states and 16008 transitions. [2021-11-22 14:43:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 14:43:31,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:31,321 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:31,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 14:43:31,322 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:31,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:31,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1530001557, now seen corresponding path program 1 times [2021-11-22 14:43:31,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:31,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982133740] [2021-11-22 14:43:31,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:31,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:31,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:31,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982133740] [2021-11-22 14:43:31,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982133740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:31,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:31,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:43:31,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629250787] [2021-11-22 14:43:31,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:31,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:43:31,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:31,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:43:31,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:43:31,546 INFO L87 Difference]: Start difference. First operand 11886 states and 16008 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-22 14:43:31,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:31,940 INFO L93 Difference]: Finished difference Result 11886 states and 16008 transitions. [2021-11-22 14:43:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:43:31,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2021-11-22 14:43:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:31,964 INFO L225 Difference]: With dead ends: 11886 [2021-11-22 14:43:31,964 INFO L226 Difference]: Without dead ends: 5866 [2021-11-22 14:43:31,976 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:31,976 INFO L933 BasicCegarLoop]: 5053 mSDtfsCounter, 3096 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 6989 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:31,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3096 Valid, 6989 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:43:31,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5866 states. [2021-11-22 14:43:32,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5866 to 5866. [2021-11-22 14:43:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5866 states, 5827 states have (on average 1.3331045134717694) internal successors, (7768), 5865 states have internal predecessors, (7768), 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) [2021-11-22 14:43:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5866 states to 5866 states and 7768 transitions. [2021-11-22 14:43:32,297 INFO L78 Accepts]: Start accepts. Automaton has 5866 states and 7768 transitions. Word has length 33 [2021-11-22 14:43:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:32,300 INFO L470 AbstractCegarLoop]: Abstraction has 5866 states and 7768 transitions. [2021-11-22 14:43:32,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-22 14:43:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5866 states and 7768 transitions. [2021-11-22 14:43:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 14:43:32,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:32,305 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:32,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 14:43:32,306 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:32,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:32,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1633773968, now seen corresponding path program 1 times [2021-11-22 14:43:32,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:32,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504708130] [2021-11-22 14:43:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:32,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:32,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:32,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504708130] [2021-11-22 14:43:32,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504708130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:32,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:32,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:43:32,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721017638] [2021-11-22 14:43:32,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:32,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:43:32,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:32,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:43:32,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:43:32,495 INFO L87 Difference]: Start difference. First operand 5866 states and 7768 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-11-22 14:43:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:32,814 INFO L93 Difference]: Finished difference Result 11681 states and 15467 transitions. [2021-11-22 14:43:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:43:32,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) Word has length 42 [2021-11-22 14:43:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:32,829 INFO L225 Difference]: With dead ends: 11681 [2021-11-22 14:43:32,829 INFO L226 Difference]: Without dead ends: 5866 [2021-11-22 14:43:32,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:43:32,842 INFO L933 BasicCegarLoop]: 5082 mSDtfsCounter, 5 mSDsluCounter, 15233 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 20315 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:32,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 20315 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:32,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5866 states. [2021-11-22 14:43:33,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5866 to 5866. [2021-11-22 14:43:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5866 states, 5827 states have (on average 1.3329328985755964) internal successors, (7767), 5865 states have internal predecessors, (7767), 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) [2021-11-22 14:43:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5866 states to 5866 states and 7767 transitions. [2021-11-22 14:43:33,066 INFO L78 Accepts]: Start accepts. Automaton has 5866 states and 7767 transitions. Word has length 42 [2021-11-22 14:43:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:33,067 INFO L470 AbstractCegarLoop]: Abstraction has 5866 states and 7767 transitions. [2021-11-22 14:43:33,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-11-22 14:43:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5866 states and 7767 transitions. [2021-11-22 14:43:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 14:43:33,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:33,071 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:33,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 14:43:33,071 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:33,072 INFO L85 PathProgramCache]: Analyzing trace with hash -986731544, now seen corresponding path program 1 times [2021-11-22 14:43:33,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:33,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453322864] [2021-11-22 14:43:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:33,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:33,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:33,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453322864] [2021-11-22 14:43:33,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453322864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:33,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:33,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:43:33,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446381087] [2021-11-22 14:43:33,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:33,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:43:33,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:43:33,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:43:33,291 INFO L87 Difference]: Start difference. First operand 5866 states and 7767 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-11-22 14:43:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:33,608 INFO L93 Difference]: Finished difference Result 11680 states and 15465 transitions. [2021-11-22 14:43:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:43:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) Word has length 47 [2021-11-22 14:43:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:33,623 INFO L225 Difference]: With dead ends: 11680 [2021-11-22 14:43:33,623 INFO L226 Difference]: Without dead ends: 5860 [2021-11-22 14:43:33,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:43:33,634 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 8 mSDsluCounter, 15226 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20307 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:33,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 20307 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5860 states. [2021-11-22 14:43:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5860 to 5860. [2021-11-22 14:43:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5860 states, 5821 states have (on average 1.3329324858271774) internal successors, (7759), 5859 states have internal predecessors, (7759), 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) [2021-11-22 14:43:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5860 states to 5860 states and 7759 transitions. [2021-11-22 14:43:33,926 INFO L78 Accepts]: Start accepts. Automaton has 5860 states and 7759 transitions. Word has length 47 [2021-11-22 14:43:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:33,927 INFO L470 AbstractCegarLoop]: Abstraction has 5860 states and 7759 transitions. [2021-11-22 14:43:33,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-11-22 14:43:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5860 states and 7759 transitions. [2021-11-22 14:43:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 14:43:33,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:33,932 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-22 14:43:33,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 14:43:33,933 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 619608577, now seen corresponding path program 1 times [2021-11-22 14:43:33,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:33,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790040118] [2021-11-22 14:43:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:33,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:34,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:34,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790040118] [2021-11-22 14:43:34,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790040118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:34,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:34,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:43:34,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638821671] [2021-11-22 14:43:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:34,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:43:34,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:34,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:43:34,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:43:34,311 INFO L87 Difference]: Start difference. First operand 5860 states and 7759 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-11-22 14:43:36,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:43:39,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:39,916 INFO L93 Difference]: Finished difference Result 17282 states and 22897 transitions. [2021-11-22 14:43:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:43:39,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) Word has length 56 [2021-11-22 14:43:39,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:39,950 INFO L225 Difference]: With dead ends: 17282 [2021-11-22 14:43:39,950 INFO L226 Difference]: Without dead ends: 11465 [2021-11-22 14:43:39,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:43:39,963 INFO L933 BasicCegarLoop]: 7139 mSDtfsCounter, 4862 mSDsluCounter, 32895 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4862 SdHoareTripleChecker+Valid, 40034 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:39,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4862 Valid, 40034 Invalid, 914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 883 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-22 14:43:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11465 states. [2021-11-22 14:43:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11465 to 5865. [2021-11-22 14:43:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 5826 states have (on average 1.33264675592173) internal successors, (7764), 5864 states have internal predecessors, (7764), 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) [2021-11-22 14:43:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 7764 transitions. [2021-11-22 14:43:40,282 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 7764 transitions. Word has length 56 [2021-11-22 14:43:40,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:40,283 INFO L470 AbstractCegarLoop]: Abstraction has 5865 states and 7764 transitions. [2021-11-22 14:43:40,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-11-22 14:43:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 7764 transitions. [2021-11-22 14:43:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 14:43:40,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:40,287 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-22 14:43:40,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 14:43:40,287 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2132300948, now seen corresponding path program 1 times [2021-11-22 14:43:40,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:40,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514810306] [2021-11-22 14:43:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:40,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:40,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:40,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514810306] [2021-11-22 14:43:40,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514810306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:40,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:40,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:43:40,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101929511] [2021-11-22 14:43:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:40,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:43:40,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:43:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:43:40,579 INFO L87 Difference]: Start difference. First operand 5865 states and 7764 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-22 14:43:40,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:40,911 INFO L93 Difference]: Finished difference Result 11681 states and 15464 transitions. [2021-11-22 14:43:40,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:43:40,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) Word has length 57 [2021-11-22 14:43:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:40,929 INFO L225 Difference]: With dead ends: 11681 [2021-11-22 14:43:40,929 INFO L226 Difference]: Without dead ends: 5865 [2021-11-22 14:43:40,939 INFO L932 BasicCegarLoop]: 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 [2021-11-22 14:43:40,940 INFO L933 BasicCegarLoop]: 5074 mSDtfsCounter, 3 mSDsluCounter, 10138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15212 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:40,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 15212 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:43:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2021-11-22 14:43:41,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 5865. [2021-11-22 14:43:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 5826 states have (on average 1.3324751115688294) internal successors, (7763), 5864 states have internal predecessors, (7763), 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) [2021-11-22 14:43:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 7763 transitions. [2021-11-22 14:43:41,227 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 7763 transitions. Word has length 57 [2021-11-22 14:43:41,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:41,228 INFO L470 AbstractCegarLoop]: Abstraction has 5865 states and 7763 transitions. [2021-11-22 14:43:41,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-22 14:43:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 7763 transitions. [2021-11-22 14:43:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 14:43:41,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:41,232 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-22 14:43:41,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 14:43:41,232 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:41,233 INFO L85 PathProgramCache]: Analyzing trace with hash -164068784, now seen corresponding path program 1 times [2021-11-22 14:43:41,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:41,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262406580] [2021-11-22 14:43:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:41,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:43:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:43:42,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:43:42,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262406580] [2021-11-22 14:43:42,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262406580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:43:42,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:43:42,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 14:43:42,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109353737] [2021-11-22 14:43:42,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:43:42,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 14:43:42,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:43:42,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 14:43:42,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-22 14:43:42,158 INFO L87 Difference]: Start difference. First operand 5865 states and 7763 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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) [2021-11-22 14:43:44,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:43:51,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:43:51,339 INFO L93 Difference]: Finished difference Result 18896 states and 24992 transitions. [2021-11-22 14:43:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 14:43:51,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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) Word has length 59 [2021-11-22 14:43:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:43:51,380 INFO L225 Difference]: With dead ends: 18896 [2021-11-22 14:43:51,380 INFO L226 Difference]: Without dead ends: 13079 [2021-11-22 14:43:51,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-11-22 14:43:51,396 INFO L933 BasicCegarLoop]: 11951 mSDtfsCounter, 9810 mSDsluCounter, 91743 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 86 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9810 SdHoareTripleChecker+Valid, 103694 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:43:51,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9810 Valid, 103694 Invalid, 2107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [86 Valid, 2020 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-11-22 14:43:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13079 states. [2021-11-22 14:43:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13079 to 5859. [2021-11-22 14:43:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5859 states, 5820 states have (on average 1.3326460481099656) internal successors, (7756), 5858 states have internal predecessors, (7756), 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) [2021-11-22 14:43:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 7756 transitions. [2021-11-22 14:43:51,831 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 7756 transitions. Word has length 59 [2021-11-22 14:43:51,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:43:51,832 INFO L470 AbstractCegarLoop]: Abstraction has 5859 states and 7756 transitions. [2021-11-22 14:43:51,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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) [2021-11-22 14:43:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 7756 transitions. [2021-11-22 14:43:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 14:43:51,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:43:51,836 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-22 14:43:51,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 14:43:51,837 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 134 more)] === [2021-11-22 14:43:51,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:43:51,837 INFO L85 PathProgramCache]: Analyzing trace with hash 39375719, now seen corresponding path program 1 times [2021-11-22 14:43:51,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:43:51,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243719275] [2021-11-22 14:43:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:43:51,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:43:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:43:52,686 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:43:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:43:56,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:43:56,048 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 14:43:56,049 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (136 of 137 remaining) [2021-11-22 14:43:56,051 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (135 of 137 remaining) [2021-11-22 14:43:56,052 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (134 of 137 remaining) [2021-11-22 14:43:56,052 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (133 of 137 remaining) [2021-11-22 14:43:56,052 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (132 of 137 remaining) [2021-11-22 14:43:56,052 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (131 of 137 remaining) [2021-11-22 14:43:56,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (130 of 137 remaining) [2021-11-22 14:43:56,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (129 of 137 remaining) [2021-11-22 14:43:56,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (128 of 137 remaining) [2021-11-22 14:43:56,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (127 of 137 remaining) [2021-11-22 14:43:56,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (126 of 137 remaining) [2021-11-22 14:43:56,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (125 of 137 remaining) [2021-11-22 14:43:56,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (124 of 137 remaining) [2021-11-22 14:43:56,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (123 of 137 remaining) [2021-11-22 14:43:56,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (122 of 137 remaining) [2021-11-22 14:43:56,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (121 of 137 remaining) [2021-11-22 14:43:56,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (120 of 137 remaining) [2021-11-22 14:43:56,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (119 of 137 remaining) [2021-11-22 14:43:56,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (118 of 137 remaining) [2021-11-22 14:43:56,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (117 of 137 remaining) [2021-11-22 14:43:56,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (116 of 137 remaining) [2021-11-22 14:43:56,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (115 of 137 remaining) [2021-11-22 14:43:56,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (114 of 137 remaining) [2021-11-22 14:43:56,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (113 of 137 remaining) [2021-11-22 14:43:56,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (112 of 137 remaining) [2021-11-22 14:43:56,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (111 of 137 remaining) [2021-11-22 14:43:56,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (110 of 137 remaining) [2021-11-22 14:43:56,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (109 of 137 remaining) [2021-11-22 14:43:56,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (108 of 137 remaining) [2021-11-22 14:43:56,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (107 of 137 remaining) [2021-11-22 14:43:56,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (106 of 137 remaining) [2021-11-22 14:43:56,059 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (105 of 137 remaining) [2021-11-22 14:43:56,059 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (104 of 137 remaining) [2021-11-22 14:43:56,059 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (103 of 137 remaining) [2021-11-22 14:43:56,059 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (102 of 137 remaining) [2021-11-22 14:43:56,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (101 of 137 remaining) [2021-11-22 14:43:56,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (100 of 137 remaining) [2021-11-22 14:43:56,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (99 of 137 remaining) [2021-11-22 14:43:56,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (98 of 137 remaining) [2021-11-22 14:43:56,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (97 of 137 remaining) [2021-11-22 14:43:56,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (96 of 137 remaining) [2021-11-22 14:43:56,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (95 of 137 remaining) [2021-11-22 14:43:56,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (94 of 137 remaining) [2021-11-22 14:43:56,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (93 of 137 remaining) [2021-11-22 14:43:56,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (92 of 137 remaining) [2021-11-22 14:43:56,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (91 of 137 remaining) [2021-11-22 14:43:56,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (90 of 137 remaining) [2021-11-22 14:43:56,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (89 of 137 remaining) [2021-11-22 14:43:56,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (88 of 137 remaining) [2021-11-22 14:43:56,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (87 of 137 remaining) [2021-11-22 14:43:56,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (86 of 137 remaining) [2021-11-22 14:43:56,064 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (85 of 137 remaining) [2021-11-22 14:43:56,064 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (84 of 137 remaining) [2021-11-22 14:43:56,064 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (83 of 137 remaining) [2021-11-22 14:43:56,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (82 of 137 remaining) [2021-11-22 14:43:56,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (81 of 137 remaining) [2021-11-22 14:43:56,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (80 of 137 remaining) [2021-11-22 14:43:56,065 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (79 of 137 remaining) [2021-11-22 14:43:56,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (78 of 137 remaining) [2021-11-22 14:43:56,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (77 of 137 remaining) [2021-11-22 14:43:56,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (76 of 137 remaining) [2021-11-22 14:43:56,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (75 of 137 remaining) [2021-11-22 14:43:56,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (74 of 137 remaining) [2021-11-22 14:43:56,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (73 of 137 remaining) [2021-11-22 14:43:56,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (72 of 137 remaining) [2021-11-22 14:43:56,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (71 of 137 remaining) [2021-11-22 14:43:56,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (70 of 137 remaining) [2021-11-22 14:43:56,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (69 of 137 remaining) [2021-11-22 14:43:56,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (68 of 137 remaining) [2021-11-22 14:43:56,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (67 of 137 remaining) [2021-11-22 14:43:56,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (66 of 137 remaining) [2021-11-22 14:43:56,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (65 of 137 remaining) [2021-11-22 14:43:56,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (64 of 137 remaining) [2021-11-22 14:43:56,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (63 of 137 remaining) [2021-11-22 14:43:56,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (62 of 137 remaining) [2021-11-22 14:43:56,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (61 of 137 remaining) [2021-11-22 14:43:56,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (60 of 137 remaining) [2021-11-22 14:43:56,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (59 of 137 remaining) [2021-11-22 14:43:56,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (58 of 137 remaining) [2021-11-22 14:43:56,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (57 of 137 remaining) [2021-11-22 14:43:56,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (56 of 137 remaining) [2021-11-22 14:43:56,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (55 of 137 remaining) [2021-11-22 14:43:56,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (54 of 137 remaining) [2021-11-22 14:43:56,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (53 of 137 remaining) [2021-11-22 14:43:56,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (52 of 137 remaining) [2021-11-22 14:43:56,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (51 of 137 remaining) [2021-11-22 14:43:56,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (50 of 137 remaining) [2021-11-22 14:43:56,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (49 of 137 remaining) [2021-11-22 14:43:56,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (48 of 137 remaining) [2021-11-22 14:43:56,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (47 of 137 remaining) [2021-11-22 14:43:56,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (46 of 137 remaining) [2021-11-22 14:43:56,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (45 of 137 remaining) [2021-11-22 14:43:56,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (44 of 137 remaining) [2021-11-22 14:43:56,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (43 of 137 remaining) [2021-11-22 14:43:56,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (42 of 137 remaining) [2021-11-22 14:43:56,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (41 of 137 remaining) [2021-11-22 14:43:56,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (40 of 137 remaining) [2021-11-22 14:43:56,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (39 of 137 remaining) [2021-11-22 14:43:56,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (38 of 137 remaining) [2021-11-22 14:43:56,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (37 of 137 remaining) [2021-11-22 14:43:56,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (36 of 137 remaining) [2021-11-22 14:43:56,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (35 of 137 remaining) [2021-11-22 14:43:56,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION (34 of 137 remaining) [2021-11-22 14:43:56,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION (33 of 137 remaining) [2021-11-22 14:43:56,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION (32 of 137 remaining) [2021-11-22 14:43:56,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION (31 of 137 remaining) [2021-11-22 14:43:56,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION (30 of 137 remaining) [2021-11-22 14:43:56,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION (29 of 137 remaining) [2021-11-22 14:43:56,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108ASSERT_VIOLATIONERROR_FUNCTION (28 of 137 remaining) [2021-11-22 14:43:56,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109ASSERT_VIOLATIONERROR_FUNCTION (27 of 137 remaining) [2021-11-22 14:43:56,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110ASSERT_VIOLATIONERROR_FUNCTION (26 of 137 remaining) [2021-11-22 14:43:56,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111ASSERT_VIOLATIONERROR_FUNCTION (25 of 137 remaining) [2021-11-22 14:43:56,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112ASSERT_VIOLATIONERROR_FUNCTION (24 of 137 remaining) [2021-11-22 14:43:56,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113ASSERT_VIOLATIONERROR_FUNCTION (23 of 137 remaining) [2021-11-22 14:43:56,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114ASSERT_VIOLATIONERROR_FUNCTION (22 of 137 remaining) [2021-11-22 14:43:56,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115ASSERT_VIOLATIONERROR_FUNCTION (21 of 137 remaining) [2021-11-22 14:43:56,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116ASSERT_VIOLATIONERROR_FUNCTION (20 of 137 remaining) [2021-11-22 14:43:56,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117ASSERT_VIOLATIONERROR_FUNCTION (19 of 137 remaining) [2021-11-22 14:43:56,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118ASSERT_VIOLATIONERROR_FUNCTION (18 of 137 remaining) [2021-11-22 14:43:56,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119ASSERT_VIOLATIONERROR_FUNCTION (17 of 137 remaining) [2021-11-22 14:43:56,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120ASSERT_VIOLATIONERROR_FUNCTION (16 of 137 remaining) [2021-11-22 14:43:56,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121ASSERT_VIOLATIONERROR_FUNCTION (15 of 137 remaining) [2021-11-22 14:43:56,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122ASSERT_VIOLATIONERROR_FUNCTION (14 of 137 remaining) [2021-11-22 14:43:56,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123ASSERT_VIOLATIONERROR_FUNCTION (13 of 137 remaining) [2021-11-22 14:43:56,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124ASSERT_VIOLATIONERROR_FUNCTION (12 of 137 remaining) [2021-11-22 14:43:56,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125ASSERT_VIOLATIONERROR_FUNCTION (11 of 137 remaining) [2021-11-22 14:43:56,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION (10 of 137 remaining) [2021-11-22 14:43:56,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127ASSERT_VIOLATIONERROR_FUNCTION (9 of 137 remaining) [2021-11-22 14:43:56,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION (8 of 137 remaining) [2021-11-22 14:43:56,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION (7 of 137 remaining) [2021-11-22 14:43:56,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION (6 of 137 remaining) [2021-11-22 14:43:56,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION (5 of 137 remaining) [2021-11-22 14:43:56,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132ASSERT_VIOLATIONERROR_FUNCTION (4 of 137 remaining) [2021-11-22 14:43:56,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133ASSERT_VIOLATIONERROR_FUNCTION (3 of 137 remaining) [2021-11-22 14:43:56,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION (2 of 137 remaining) [2021-11-22 14:43:56,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION (1 of 137 remaining) [2021-11-22 14:43:56,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION (0 of 137 remaining) [2021-11-22 14:43:56,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 14:43:56,092 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:43:56,096 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:43:56,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:43:56 BoogieIcfgContainer [2021-11-22 14:43:56,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:43:56,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:43:56,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:43:56,254 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:43:56,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:43:21" (3/4) ... [2021-11-22 14:43:56,258 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:43:56,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:43:56,259 INFO L158 Benchmark]: Toolchain (without parser) took 85206.09ms. Allocated memory was 98.6MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 67.5MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 878.9MB. Max. memory is 16.1GB. [2021-11-22 14:43:56,259 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:43:56,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4796.17ms. Allocated memory was 98.6MB in the beginning and 182.5MB in the end (delta: 83.9MB). Free memory was 67.1MB in the beginning and 99.0MB in the end (delta: -31.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2021-11-22 14:43:56,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 1450.22ms. Allocated memory was 182.5MB in the beginning and 283.1MB in the end (delta: 100.7MB). Free memory was 99.0MB in the beginning and 112.5MB in the end (delta: -13.5MB). Peak memory consumption was 146.6MB. Max. memory is 16.1GB. [2021-11-22 14:43:56,261 INFO L158 Benchmark]: Boogie Preprocessor took 1873.80ms. Allocated memory was 283.1MB in the beginning and 566.2MB in the end (delta: 283.1MB). Free memory was 112.5MB in the beginning and 322.2MB in the end (delta: -209.7MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. [2021-11-22 14:43:56,261 INFO L158 Benchmark]: RCFGBuilder took 42255.80ms. Allocated memory was 566.2MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 321.2MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 637.4MB. Max. memory is 16.1GB. [2021-11-22 14:43:56,262 INFO L158 Benchmark]: TraceAbstraction took 34816.57ms. Allocated memory was 2.7GB in the beginning and 3.2GB in the end (delta: 536.9MB). Free memory was 2.1GB in the beginning and 2.3GB in the end (delta: -215.8MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-22 14:43:56,262 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 3.2GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:43:56,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4796.17ms. Allocated memory was 98.6MB in the beginning and 182.5MB in the end (delta: 83.9MB). Free memory was 67.1MB in the beginning and 99.0MB in the end (delta: -31.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1450.22ms. Allocated memory was 182.5MB in the beginning and 283.1MB in the end (delta: 100.7MB). Free memory was 99.0MB in the beginning and 112.5MB in the end (delta: -13.5MB). Peak memory consumption was 146.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1873.80ms. Allocated memory was 283.1MB in the beginning and 566.2MB in the end (delta: 283.1MB). Free memory was 112.5MB in the beginning and 322.2MB in the end (delta: -209.7MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. * RCFGBuilder took 42255.80ms. Allocated memory was 566.2MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 321.2MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 637.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34816.57ms. Allocated memory was 2.7GB in the beginning and 3.2GB in the end (delta: 536.9MB). Free memory was 2.1GB in the beginning and 2.3GB in the end (delta: -215.8MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 3.2GB. Free memory is still 2.3GB. There was no memory consumed. 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 - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_object_size at line 7404, overapproximation of large string literal at line 12845, overapproximation of bitwiseAnd at line 12077. Possible FailurePath: [L7687] static unsigned int vhost_zcopy_mask ; [L10792] static struct target_fabric_configfs *tcm_vhost_fabric_configfs ; [L10793] static struct workqueue_struct *tcm_vhost_workqueue ; [L10794-L10797] static struct mutex tcm_vhost_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "tcm_vhost_mutex.wait_lock", 0, 0UL}}}}, {& tcm_vhost_mutex.wait_list, & tcm_vhost_mutex.wait_list}, 0, 0, (void *)(& tcm_vhost_mutex), {0, {0, 0}, "tcm_vhost_mutex", 0, 0UL}}; [L10798] static struct list_head tcm_vhost_list = {& tcm_vhost_list, & tcm_vhost_list}; [L12183-L12186] static struct file_operations const vhost_scsi_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_scsi_ioctl, & vhost_scsi_compat_ioctl, 0, & vhost_scsi_open, 0, & vhost_scsi_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12187-L12188] static struct miscdevice vhost_scsi_misc = {255, "vhost-scsi", & vhost_scsi_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L12540] static struct target_fabric_tpg_attribute tcm_vhost_tpg_nexus = {{"nexus", & __this_module, 420U}, & tcm_vhost_tpg_show_nexus, & tcm_vhost_tpg_store_nexus}; [L12541] static struct configfs_attribute *tcm_vhost_tpg_attrs[2U] = { & tcm_vhost_tpg_nexus.attr, 0}; [L12732] static struct target_fabric_wwn_attribute tcm_vhost_wwn_version = {{"version", & __this_module, 292U}, & tcm_vhost_wwn_show_attr_version, 0}; [L12733] static struct configfs_attribute *tcm_vhost_wwn_attrs[2U] = { & tcm_vhost_wwn_version.attr, 0}; [L12734-L12745] static struct target_core_fabric_ops tcm_vhost_ops = {0, & tcm_vhost_get_fabric_name, & tcm_vhost_get_fabric_proto_ident, & tcm_vhost_get_fabric_wwn, & tcm_vhost_get_tag, & tcm_vhost_get_default_depth, & tcm_vhost_get_pr_transport_id, & tcm_vhost_get_pr_transport_id_len, & tcm_vhost_parse_pr_out_transport_id, & tcm_vhost_check_true, & tcm_vhost_check_true, & tcm_vhost_check_false, & tcm_vhost_check_false, 0, & tcm_vhost_alloc_fabric_acl, & tcm_vhost_release_fabric_acl, & tcm_vhost_tpg_get_inst_index, 0, & tcm_vhost_release_cmd, 0, & tcm_vhost_shutdown_session, & tcm_vhost_close_session, & tcm_vhost_sess_get_index, 0, & tcm_vhost_write_pending, & tcm_vhost_write_pending_status, & tcm_vhost_set_default_node_attrs, & tcm_vhost_get_task_tag, & tcm_vhost_get_cmd_state, & tcm_vhost_queue_data_in, & tcm_vhost_queue_status, & tcm_vhost_queue_tm_rsp, & tcm_vhost_make_tport, & tcm_vhost_drop_tport, & tcm_vhost_make_tpg, & tcm_vhost_drop_tpg, & tcm_vhost_port_link, & tcm_vhost_port_unlink, 0, 0, & tcm_vhost_make_nodeacl, & tcm_vhost_drop_nodeacl}; [L12885] int LDV_IN_INTERRUPT ; [L13678] static int ldv_mutex_cred_guard_mutex ; [L13785] static int ldv_mutex_lock ; [L13892] static int ldv_mutex_mtx ; [L13999] static int ldv_mutex_mutex ; [L14106] static int ldv_mutex_tcm_vhost_mutex ; [L14213] static int ldv_mutex_tv_tpg_mutex ; VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_mutex_tcm_vhost_mutex=0, ldv_mutex_tv_tpg_mutex=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12888] struct inode *var_group1 ; [L12889] struct file *var_group2 ; [L12890] unsigned int var_vhost_scsi_ioctl_44_p1 ; [L12891] unsigned long var_vhost_scsi_ioctl_44_p2 ; [L12892] unsigned int var_vhost_scsi_compat_ioctl_45_p1 ; [L12893] unsigned long var_vhost_scsi_compat_ioctl_45_p2 ; [L12894] int res_vhost_scsi_open_39 ; [L12895] struct se_portal_group *var_group3 ; [L12896] struct se_node_acl *var_group4 ; [L12897] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_7_p2 ; [L12898] int *var_tcm_vhost_get_pr_transport_id_7_p3 ; [L12899] unsigned char *var_tcm_vhost_get_pr_transport_id_7_p4 ; [L12900] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_len_8_p2 ; [L12901] int *var_tcm_vhost_get_pr_transport_id_len_8_p3 ; [L12902] char const *var_tcm_vhost_parse_pr_out_transport_id_9_p1 ; [L12903] u32 *var_tcm_vhost_parse_pr_out_transport_id_9_p2 ; [L12904] char **var_tcm_vhost_parse_pr_out_transport_id_9_p3 ; [L12905] struct se_cmd *var_group5 ; [L12906] struct se_session *var_group6 ; [L12907] struct target_fabric_configfs *var_group7 ; [L12908] struct config_group *var_group8 ; [L12909] char const *var_tcm_vhost_make_tport_59_p2 ; [L12910] struct se_wwn *var_group9 ; [L12911] char const *var_tcm_vhost_make_tpg_57_p2 ; [L12912] struct se_lun *var_group10 ; [L12913] char const *var_tcm_vhost_make_nodeacl_51_p2 ; [L12914] int ldv_s_vhost_scsi_fops_file_operations ; [L12915] int tmp ; [L12916] int tmp___0 ; [L12917] int tmp___1 ; [L12919] ldv_s_vhost_scsi_fops_file_operations = 0 [L12920] LDV_IN_INTERRUPT = 1 [L12921] CALL ldv_initialize() [L14323] ldv_mutex_cred_guard_mutex = 1 [L14324] ldv_mutex_lock = 1 [L14325] ldv_mutex_mtx = 1 [L14326] ldv_mutex_mutex = 1 [L14327] ldv_mutex_tcm_vhost_mutex = 1 [L14328] ldv_mutex_tv_tpg_mutex = 1 VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12921] RET ldv_initialize() [L12922] FCALL ldv_handler_precall() [L12923] CALL, EXPR tcm_vhost_init() [L12839] int ret ; [L12840] struct lock_class_key __key ; [L12841] char const *__lock_name ; [L12842] struct workqueue_struct *tmp ; [L12844] ret = -12 [L12845] __lock_name = "tcm_vhost" [L12846] tmp = __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name) [L12847] tcm_vhost_workqueue = tmp VAL [__alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={366:-365}, __key={368:0}, __lock_name={354:0}, __this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp={366:-365}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12848] COND FALSE !((unsigned long )tcm_vhost_workqueue == (unsigned long )((struct workqueue_struct *)0)) [L12852] CALL, EXPR vhost_scsi_register() [L12191] int tmp ; [L12193] CALL, EXPR misc_register(& vhost_scsi_misc) [L14561] return __VERIFIER_nondet_int(); [L12193] RET, EXPR misc_register(& vhost_scsi_misc) [L12193] tmp = misc_register(& vhost_scsi_misc) [L12194] return (tmp); VAL [\result=374, __this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=374, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12852] RET, EXPR vhost_scsi_register() [L12852] ret = vhost_scsi_register() [L12853] COND FALSE !(ret < 0) [L12857] CALL, EXPR tcm_vhost_register_configfs() [L12748] struct target_fabric_configfs *fabric ; [L12749] int ret ; [L12750] struct _ddebug descriptor ; [L12751] struct new_utsname *tmp ; [L12752] struct new_utsname *tmp___0 ; [L12753] long tmp___1 ; [L12754] long tmp___2 ; [L12755] long tmp___3 ; [L12756] struct _ddebug descriptor___0 ; [L12757] long tmp___4 ; [L12759] descriptor.modname = "tcm_vhost" [L12760] descriptor.function = "tcm_vhost_register_configfs" [L12761] descriptor.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12762] descriptor.format = "TCM_VHOST fabric module %s on %s/%s on 3.7.3\n" [L12763] descriptor.lineno = 1561U [L12764] descriptor.flags = 0U [L12765] EXPR descriptor.flags [L12765] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L13675] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551640:18446744073709551675}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12765] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12765] tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12766] COND FALSE !(tmp___1 != 0L) VAL [__this_module={18446744073709551640:18446744073709551675}, descriptor={367:0}, descriptor___0={369:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12773] CALL, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L14636] CALL, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) [L7220] COND FALSE !(__VERIFIER_nondet_int()) [L7225] return ((void *)0); VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, size=1300, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14636] RET, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) [L14636] return ldv_malloc(sizeof(struct target_fabric_configfs)); [L12773] RET, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L12773] fabric = target_fabric_configfs_init(& __this_module, "vhost") [L12774] CALL, EXPR IS_ERR((void const *)fabric) [L6795] long tmp ; [L6797] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L13675] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551640:18446744073709551675}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L6797] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6797] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6798] return (tmp); VAL [\result=0, __this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12774] RET, EXPR IS_ERR((void const *)fabric) [L12774] tmp___3 = IS_ERR((void const *)fabric) [L12775] COND FALSE !(tmp___3 != 0L) [L12781] fabric->tf_ops = tcm_vhost_ops [L12782] fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_wwn_attrs) [L12783] fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_tpg_attrs) [L12784] fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = 0 [L12785] fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = 0 [L12786] fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = 0 [L12787] fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = 0 [L12788] fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = 0 [L12789] fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = 0 [L12790] fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = 0 [L12791] CALL, EXPR target_fabric_configfs_register(fabric) [L14640] return __VERIFIER_nondet_int(); [L12791] RET, EXPR target_fabric_configfs_register(fabric) [L12791] ret = target_fabric_configfs_register(fabric) [L12792] COND FALSE !(ret < 0) [L12797] tcm_vhost_fabric_configfs = fabric [L12798] descriptor___0.modname = "tcm_vhost" [L12799] descriptor___0.function = "tcm_vhost_register_configfs" [L12800] descriptor___0.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12801] descriptor___0.format = "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n" [L12802] descriptor___0.lineno = 1599U [L12803] descriptor___0.flags = 0U [L12804] EXPR descriptor___0.flags [L12804] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L13675] return (exp); VAL [\old(c)=0, \old(exp)=-2, \result=-2, __this_module={18446744073709551640:18446744073709551675}, c=0, exp=-2, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12804] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12804] tmp___4 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12805] COND TRUE tmp___4 != 0L [L12809] return (0); [L12809] return (0); [L12809] return (0); VAL [\result=0, __this_module={18446744073709551640:18446744073709551675}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, tmp___3=0, tmp___4=-2, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12857] RET, EXPR tcm_vhost_register_configfs() [L12857] ret = tcm_vhost_register_configfs() [L12858] COND FALSE !(ret < 0) [L12862] return (0); [L12862] return (0); VAL [\result=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={366:-365}, __lock_name={354:0}, __this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp={366:-365}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12923] RET, EXPR tcm_vhost_init() [L12923] tmp = tcm_vhost_init() [L12924] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13102] tmp___1 = __VERIFIER_nondet_int() [L13103] COND TRUE tmp___1 != 0 || ldv_s_vhost_scsi_fops_file_operations != 0 VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, tmp___1=-3, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12930] tmp___0 = __VERIFIER_nondet_int() [L12932] case 0: [L12945] case 1: [L12953] case 2: [L12954] FCALL ldv_handler_precall() [L12955] CALL vhost_scsi_ioctl(var_group2, var_vhost_scsi_ioctl_44_p1, var_vhost_scsi_ioctl_44_p2) [L12095] struct vhost_scsi *vs ; [L12096] struct vhost_scsi_target backend ; [L12097] void *argp ; [L12098] u64 *featurep ; [L12099] u64 features ; [L12100] int r ; [L12101] int abi_version ; [L12102] unsigned long tmp ; [L12103] int tmp___0 ; [L12104] unsigned long tmp___1 ; [L12105] int tmp___2 ; [L12106] int tmp___3 ; [L12107] int tmp___4 ; [L12108] unsigned long tmp___5 ; [L12109] int tmp___6 ; [L12110] long tmp___7 ; [L12112] EXPR f->private_data [L12112] vs = (struct vhost_scsi *)f->private_data [L12113] argp = (void *)arg [L12114] featurep = (u64 *)argp [L12115] abi_version = 0 [L12117] case 1088991040U: [L12129] case 1088991041U: [L12141] case 1074048834U: [L12148] case 2148052736U: [L12156] case 1074310912U: [L12157] CALL, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) [L7397] int sz ; [L7398] unsigned long tmp ; [L7399] int __ret_warn_on ; [L7400] long tmp___0 ; [L7401] long tmp___1 ; [L7402] long tmp___2 ; [L7404] tmp = __builtin_object_size((void const *)to, 0) [L7405] sz = (int )tmp [L7406] FCALL might_fault() [L7407] CALL, EXPR ldv__builtin_expect(sz == -1, 1L) [L13675] return (exp); VAL [\old(c)=1, \old(exp)=1, \result=1, __this_module={18446744073709551640:18446744073709551675}, c=1, exp=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7407] RET, EXPR ldv__builtin_expect(sz == -1, 1L) [L7407] tmp___1 = ldv__builtin_expect(sz == -1, 1L) [L7408] COND TRUE tmp___1 != 0L [L7409] CALL, EXPR _copy_from_user(to, from, (unsigned int )n) [L14395] return __VERIFIER_nondet_ulong(); [L7409] RET, EXPR _copy_from_user(to, from, (unsigned int )n) [L7409] n = _copy_from_user(to, from, (unsigned int )n) [L7425] return (n); VAL [\old(n)=8, \result=18446744073709551616, __this_module={18446744073709551640:18446744073709551675}, from={0:-4}, from={0:-4}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=18446744073709551616, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, tmp___1=1, to={373:0}, to={373:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12157] RET, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) [L12157] tmp___5 = copy_from_user((void *)(& features), (void const *)featurep, 8UL) [L12158] COND FALSE !(tmp___5 != 0UL) [L12162] EXPR \read(features) [L12162] CALL vhost_scsi_set_features(vs, features) [L12070] int tmp ; VAL [\old(features)=51, __this_module={18446744073709551640:18446744073709551675}, features=51, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0, vs={18446744073709551666:375}, vs={18446744073709551666:375}] [L12072] COND FALSE !((features & 0xffffffffcaffffffULL) != 0ULL) [L12076] CALL ldv_mutex_lock_41(& vs->dev.mutex) [L13443] CALL ldv_mutex_lock_mutex(ldv_func_arg1) [L14037] COND TRUE ldv_mutex_mutex == 1 VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551666:399}, lock={18446744073709551666:399}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14041] ldv_mutex_mutex = 2 VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551666:399}, lock={18446744073709551666:399}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13443] RET ldv_mutex_lock_mutex(ldv_func_arg1) [L13444] FCALL mutex_lock(ldv_func_arg1) [L12076] RET ldv_mutex_lock_41(& vs->dev.mutex) [L12077] COND TRUE (features & 67108864ULL) != 0ULL [L12078] CALL vhost_log_access_ok(& vs->dev) [L8496] struct vhost_memory *mp ; [L8497] bool __warned ; [L8498] int tmp ; [L8499] int tmp___0 ; [L8500] int tmp___1 ; [L8502] CALL, EXPR debug_lockdep_rcu_enabled() [L14447] return __VERIFIER_nondet_int(); [L8502] RET, EXPR debug_lockdep_rcu_enabled() [L8502] tmp = debug_lockdep_rcu_enabled() [L8503] COND FALSE !(tmp != 0 && ! __warned) VAL [__this_module={18446744073709551640:18446744073709551675}, __warned=1, dev={18446744073709551666:383}, dev={18446744073709551666:383}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8513] EXPR dev->memory [L8513] mp = dev->memory [L8514] CALL memory_access_ok(dev, mp, 1) [L8418] int i ; [L8419] int ok ; [L8421] i = 0 VAL [\old(log_all)=1, __this_module={18446744073709551640:18446744073709551675}, d={18446744073709551666:383}, d={18446744073709551666:383}, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={18446744073709551658:18446744073709551648}, mem={18446744073709551658:18446744073709551648}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8437] EXPR d->nvqs VAL [\old(log_all)=1, __this_module={18446744073709551640:18446744073709551675}, d={18446744073709551666:383}, d={18446744073709551666:383}, d->nvqs=365, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={18446744073709551658:18446744073709551648}, mem={18446744073709551658:18446744073709551648}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8437] COND TRUE d->nvqs > i [L8424] EXPR d->vqs [L8424] CALL ldv_mutex_lock_12(& (d->vqs + (unsigned long )i)->mutex) [L13211] CALL ldv_mutex_lock_mutex(ldv_func_arg1) [L14037] COND FALSE !(ldv_mutex_mutex == 1) [L14039] CALL ldv_error() [L13668] reach_error() VAL [__this_module={18446744073709551640:18446744073709551675}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8513 locations, 137 error locations. Started 1 CEGAR loops. OverallTime: 34.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 86550 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86550 mSDsluCounter, 307281 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187351 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3308 IncrementalHoareTripleChecker+Invalid, 3622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 119930 mSDtfsCounter, 3308 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11886occurred in iteration=7, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 18966 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 14:43:56,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:43:58,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:43:58,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:43:58,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:43:58,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:43:58,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:43:58,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:43:58,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:43:58,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:43:58,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:43:58,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:43:58,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:43:58,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:43:58,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:43:58,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:43:58,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:43:59,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:43:59,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:43:59,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:43:59,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:43:59,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:43:59,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:43:59,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:43:59,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:43:59,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:43:59,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:43:59,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:43:59,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:43:59,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:43:59,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:43:59,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:43:59,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:43:59,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:43:59,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:43:59,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:43:59,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:43:59,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:43:59,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:43:59,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:43:59,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:43:59,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:43:59,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-22 14:43:59,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:43:59,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:43:59,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:43:59,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:43:59,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:43:59,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:43:59,114 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:43:59,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:43:59,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:43:59,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:43:59,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:43:59,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:43:59,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 14:43:59,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 14:43:59,117 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 14:43:59,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:43:59,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:43:59,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:43:59,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:43:59,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:43:59,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:43:59,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:43:59,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:43:59,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:43:59,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:43:59,120 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 14:43:59,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 14:43:59,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:43:59,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:43:59,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:43:59,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:43:59,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 14:43:59,122 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2021-11-22 14:43:59,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:43:59,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:43:59,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:43:59,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:43:59,569 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:43:59,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:43:59,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/18e962d4f/10fc0b2341c54612a410dde9199b4c8a/FLAGfbcc213da [2021-11-22 14:44:00,903 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:44:00,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:44:00,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/18e962d4f/10fc0b2341c54612a410dde9199b4c8a/FLAGfbcc213da [2021-11-22 14:44:01,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/data/18e962d4f/10fc0b2341c54612a410dde9199b4c8a [2021-11-22 14:44:01,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:44:01,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:44:01,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:44:01,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:44:01,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:44:01,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:01" (1/1) ... [2021-11-22 14:44:01,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2555696f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:01, skipping insertion in model container [2021-11-22 14:44:01,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:01" (1/1) ... [2021-11-22 14:44:01,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:44:01,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:44:04,864 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_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2021-11-22 14:44:05,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:44:05,109 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 14:44:05,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:44:05,778 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_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2021-11-22 14:44:05,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:44:05,819 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:44:06,446 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_d5545867-2919-4d43-9639-5bc8a5188cc8/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2021-11-22 14:44:06,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:44:06,635 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:44:06,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06 WrapperNode [2021-11-22 14:44:06,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:44:06,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:44:06,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:44:06,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:44:06,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:06,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:07,350 INFO L137 Inliner]: procedures = 460, calls = 3477, calls flagged for inlining = 989, calls inlined = 2181, statements flattened = 24667 [2021-11-22 14:44:07,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:44:07,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:44:07,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:44:07,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:44:07,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:07,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:07,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:07,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:08,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:08,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:08,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:08,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:44:08,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:44:08,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:44:08,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:44:08,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (1/1) ... [2021-11-22 14:44:08,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:44:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:44:08,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:44:08,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:44:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-22 14:44:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-22 14:44:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:44:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-22 14:44:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 14:44:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 14:44:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-22 14:44:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-22 14:44:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:44:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:44:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:44:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 14:44:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-22 14:44:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-22 14:44:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-22 14:44:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-22 14:44:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:44:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:44:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 14:44:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-22 14:44:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 14:44:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 14:44:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-22 14:44:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 14:44:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:44:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:44:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-22 14:44:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-22 14:44:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-22 14:44:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-22 14:44:09,834 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:44:09,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:46:12,837 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-3: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~3#1[32:0]; [2021-11-22 14:46:12,837 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390-1: __copy_from_user_#t~ret211#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret211#1;havoc __copy_from_user_#t~ret211#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~3#1[32:0]; [2021-11-22 14:46:12,838 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1037: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,838 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1038: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,839 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449-1: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:46:12,839 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc __copy_from_user_#t~switch208#1; [2021-11-22 14:46:12,839 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,839 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,840 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,840 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 4bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,840 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,840 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 8bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-1: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,842 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 10bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,842 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:46:12,842 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:46:12,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 16bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-1: assume 0bv64 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475-1: assume !(0bv64 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0bv64 != __copy_from_user_~tmp___0~9#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0bv64 != __copy_from_user_~tmp___0~9#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:46:12,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483-1: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:46:12,845 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-22 14:46:12,845 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := true; [2021-11-22 14:46:12,845 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-1: assume 0bv64 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,845 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488-1: assume !(0bv64 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,845 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0bv64 != __copy_from_user_~tmp___1~4#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0bv64 != __copy_from_user_~tmp___1~4#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-1: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := ~zero_extendFrom32To64(copy_user_generic_~ret~0#1); [2021-11-22 14:46:12,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496-1: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:46:12,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume __copy_from_user_#t~switch208#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~0#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~0#1;copy_user_generic_#res#1 := ~zero_extendFrom32To64(copy_user_generic_~ret~0#1); [2021-11-22 14:46:12,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !__copy_from_user_#t~switch208#1; [2021-11-22 14:46:12,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume !__copy_from_user_#t~switch208#1;__copy_from_user_#t~switch208#1 := __copy_from_user_#t~switch208#1 || 2bv32 == __copy_from_user_~size#1; [2021-11-22 14:46:12,848 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##462: assume __copy_from_user_#t~switch208#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-22 14:46:12,850 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-32: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:46:12,850 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-31: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:46:12,851 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-86: __copy_from_user_#t~ret210#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;__copy_from_user_~tmp___1~4#1 := __copy_from_user_#t~ret210#1;havoc __copy_from_user_#t~ret210#1; [2021-11-22 14:46:12,851 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L13675-85: __copy_from_user_#t~ret209#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;__copy_from_user_~tmp___0~9#1 := __copy_from_user_#t~ret209#1;havoc __copy_from_user_#t~ret209#1; [2021-11-22 14:46:12,851 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:46:12,902 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:46:12,903 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:46:12,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:12 BoogieIcfgContainer [2021-11-22 14:46:12,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:46:12,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:46:12,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:46:12,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:46:12,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:44:01" (1/3) ... [2021-11-22 14:46:12,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a0568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:12, skipping insertion in model container [2021-11-22 14:46:12,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:06" (2/3) ... [2021-11-22 14:46:12,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a0568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:12, skipping insertion in model container [2021-11-22 14:46:12,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:12" (3/3) ... [2021-11-22 14:46:12,922 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2021-11-22 14:46:12,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:46:12,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 101 error locations. [2021-11-22 14:46:13,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:46:13,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:46:13,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2021-11-22 14:46:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 5009 states, 4907 states have (on average 1.3853678418585693) internal successors, (6798), 5008 states have internal predecessors, (6798), 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) [2021-11-22 14:46:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 14:46:13,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:13,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:13,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1508267695, now seen corresponding path program 1 times [2021-11-22 14:46:13,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:13,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854708094] [2021-11-22 14:46:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:13,180 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:13,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:13,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 14:46:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:14,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:14,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:14,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:15,052 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:15,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854708094] [2021-11-22 14:46:15,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854708094] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:15,053 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:15,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:15,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834581875] [2021-11-22 14:46:15,058 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:15,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:15,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:15,142 INFO L87 Difference]: Start difference. First operand has 5009 states, 4907 states have (on average 1.3853678418585693) internal successors, (6798), 5008 states have internal predecessors, (6798), 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 14:46:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:15,777 INFO L93 Difference]: Finished difference Result 9883 states and 13446 transitions. [2021-11-22 14:46:15,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:15,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-11-22 14:46:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:15,856 INFO L225 Difference]: With dead ends: 9883 [2021-11-22 14:46:15,857 INFO L226 Difference]: Without dead ends: 4872 [2021-11-22 14:46:15,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:15,880 INFO L933 BasicCegarLoop]: 6554 mSDtfsCounter, 6546 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6546 SdHoareTripleChecker+Valid, 6554 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:15,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6546 Valid, 6554 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:46:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2021-11-22 14:46:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2021-11-22 14:46:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4872 states, 4772 states have (on average 1.3602263202011735) internal successors, (6491), 4871 states have internal predecessors, (6491), 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) [2021-11-22 14:46:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 6491 transitions. [2021-11-22 14:46:16,239 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 6491 transitions. Word has length 11 [2021-11-22 14:46:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:16,240 INFO L470 AbstractCegarLoop]: Abstraction has 4872 states and 6491 transitions. [2021-11-22 14:46:16,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 14:46:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 6491 transitions. [2021-11-22 14:46:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:46:16,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:16,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:16,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:46:16,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:16,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:16,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:16,460 INFO L85 PathProgramCache]: Analyzing trace with hash 488355555, now seen corresponding path program 1 times [2021-11-22 14:46:16,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:16,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930186751] [2021-11-22 14:46:16,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:16,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:16,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:16,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:16,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 14:46:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:17,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:17,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:17,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:18,069 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:18,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930186751] [2021-11-22 14:46:18,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930186751] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:18,069 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:18,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:18,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568992039] [2021-11-22 14:46:18,070 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:18,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:18,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:18,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:18,073 INFO L87 Difference]: Start difference. First operand 4872 states and 6491 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 14:46:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:18,551 INFO L93 Difference]: Finished difference Result 4872 states and 6491 transitions. [2021-11-22 14:46:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:18,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-11-22 14:46:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:18,588 INFO L225 Difference]: With dead ends: 4872 [2021-11-22 14:46:18,589 INFO L226 Difference]: Without dead ends: 4870 [2021-11-22 14:46:18,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:18,594 INFO L933 BasicCegarLoop]: 6488 mSDtfsCounter, 6479 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6479 SdHoareTripleChecker+Valid, 6488 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:18,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6479 Valid, 6488 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:46:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2021-11-22 14:46:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 4870. [2021-11-22 14:46:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4870 states, 4771 states have (on average 1.3600922238524418) internal successors, (6489), 4869 states have internal predecessors, (6489), 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) [2021-11-22 14:46:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 6489 transitions. [2021-11-22 14:46:18,931 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 6489 transitions. Word has length 12 [2021-11-22 14:46:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:18,932 INFO L470 AbstractCegarLoop]: Abstraction has 4870 states and 6489 transitions. [2021-11-22 14:46:18,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 14:46:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 6489 transitions. [2021-11-22 14:46:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 14:46:18,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:18,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:18,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:46:19,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:19,148 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:19,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:19,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2040833124, now seen corresponding path program 1 times [2021-11-22 14:46:19,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:19,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493085906] [2021-11-22 14:46:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:19,151 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:19,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:19,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:19,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 14:46:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:20,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:20,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:20,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:20,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:20,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493085906] [2021-11-22 14:46:20,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493085906] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:20,888 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:20,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:20,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073018938] [2021-11-22 14:46:20,889 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:20,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:20,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:20,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:20,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:20,890 INFO L87 Difference]: Start difference. First operand 4870 states and 6489 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 14:46:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:21,389 INFO L93 Difference]: Finished difference Result 4870 states and 6489 transitions. [2021-11-22 14:46:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:21,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2021-11-22 14:46:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:21,426 INFO L225 Difference]: With dead ends: 4870 [2021-11-22 14:46:21,429 INFO L226 Difference]: Without dead ends: 4868 [2021-11-22 14:46:21,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:21,437 INFO L933 BasicCegarLoop]: 6486 mSDtfsCounter, 6476 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 6486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:21,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 6486 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:46:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2021-11-22 14:46:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4868. [2021-11-22 14:46:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4770 states have (on average 1.359958071278826) internal successors, (6487), 4867 states have internal predecessors, (6487), 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) [2021-11-22 14:46:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6487 transitions. [2021-11-22 14:46:21,753 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6487 transitions. Word has length 13 [2021-11-22 14:46:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:21,759 INFO L470 AbstractCegarLoop]: Abstraction has 4868 states and 6487 transitions. [2021-11-22 14:46:21,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 14:46:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6487 transitions. [2021-11-22 14:46:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 14:46:21,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:21,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:21,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:46:21,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:21,979 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:21,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:21,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1158696462, now seen corresponding path program 1 times [2021-11-22 14:46:21,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:21,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924002518] [2021-11-22 14:46:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:21,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:21,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:21,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:21,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 14:46:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:23,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:23,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:23,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:23,505 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:23,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924002518] [2021-11-22 14:46:23,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924002518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:23,506 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:23,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:23,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823346168] [2021-11-22 14:46:23,507 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:23,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:23,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:23,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:23,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:23,508 INFO L87 Difference]: Start difference. First operand 4868 states and 6487 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 14:46:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:25,116 INFO L93 Difference]: Finished difference Result 9990 states and 13292 transitions. [2021-11-22 14:46:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:25,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-11-22 14:46:25,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:25,155 INFO L225 Difference]: With dead ends: 9990 [2021-11-22 14:46:25,155 INFO L226 Difference]: Without dead ends: 5176 [2021-11-22 14:46:25,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:25,170 INFO L933 BasicCegarLoop]: 6824 mSDtfsCounter, 2511 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 11009 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:25,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2511 Valid, 11009 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-22 14:46:25,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2021-11-22 14:46:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5164. [2021-11-22 14:46:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5164 states, 5079 states have (on average 1.3477062413860996) internal successors, (6845), 5163 states have internal predecessors, (6845), 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) [2021-11-22 14:46:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 6845 transitions. [2021-11-22 14:46:25,679 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 6845 transitions. Word has length 14 [2021-11-22 14:46:25,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:25,679 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 6845 transitions. [2021-11-22 14:46:25,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 14:46:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 6845 transitions. [2021-11-22 14:46:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 14:46:25,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:25,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:25,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-22 14:46:25,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:25,902 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:25,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:25,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1559865831, now seen corresponding path program 1 times [2021-11-22 14:46:25,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:25,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798545407] [2021-11-22 14:46:25,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:25,904 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:25,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:25,912 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:25,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 14:46:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:27,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:27,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:27,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:27,828 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:27,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798545407] [2021-11-22 14:46:27,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798545407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:27,828 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:27,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:27,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69672781] [2021-11-22 14:46:27,829 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:27,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:27,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:27,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:27,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:27,830 INFO L87 Difference]: Start difference. First operand 5164 states and 6845 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 14:46:28,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:28,496 INFO L93 Difference]: Finished difference Result 5164 states and 6845 transitions. [2021-11-22 14:46:28,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:28,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2021-11-22 14:46:28,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:28,535 INFO L225 Difference]: With dead ends: 5164 [2021-11-22 14:46:28,535 INFO L226 Difference]: Without dead ends: 5152 [2021-11-22 14:46:28,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:28,540 INFO L933 BasicCegarLoop]: 6443 mSDtfsCounter, 6290 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6290 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:28,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6290 Valid, 6563 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 14:46:28,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2021-11-22 14:46:28,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5152. [2021-11-22 14:46:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5073 states have (on average 1.3469347526118667) internal successors, (6833), 5151 states have internal predecessors, (6833), 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) [2021-11-22 14:46:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 6833 transitions. [2021-11-22 14:46:28,872 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 6833 transitions. Word has length 15 [2021-11-22 14:46:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:28,872 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 6833 transitions. [2021-11-22 14:46:28,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 14:46:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 6833 transitions. [2021-11-22 14:46:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 14:46:28,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:28,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:28,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:46:29,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:29,101 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:29,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1111214393, now seen corresponding path program 1 times [2021-11-22 14:46:29,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:29,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076281565] [2021-11-22 14:46:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:29,103 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:29,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:29,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 14:46:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:30,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:46:30,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:30,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:30,600 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:30,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076281565] [2021-11-22 14:46:30,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076281565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:30,600 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:30,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:46:30,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278165370] [2021-11-22 14:46:30,601 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:30,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:46:30,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:46:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:30,602 INFO L87 Difference]: Start difference. First operand 5152 states and 6833 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 14:46:31,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:31,645 INFO L93 Difference]: Finished difference Result 5152 states and 6833 transitions. [2021-11-22 14:46:31,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:46:31,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2021-11-22 14:46:31,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:31,686 INFO L225 Difference]: With dead ends: 5152 [2021-11-22 14:46:31,686 INFO L226 Difference]: Without dead ends: 5115 [2021-11-22 14:46:31,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:46:31,694 INFO L933 BasicCegarLoop]: 6423 mSDtfsCounter, 6233 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6233 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:31,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6233 Valid, 6533 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 14:46:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2021-11-22 14:46:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 5115. [2021-11-22 14:46:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 5045 states have (on average 1.3462834489593658) internal successors, (6792), 5114 states have internal predecessors, (6792), 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) [2021-11-22 14:46:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 6792 transitions. [2021-11-22 14:46:32,042 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 6792 transitions. Word has length 16 [2021-11-22 14:46:32,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:32,043 INFO L470 AbstractCegarLoop]: Abstraction has 5115 states and 6792 transitions. [2021-11-22 14:46:32,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 14:46:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 6792 transitions. [2021-11-22 14:46:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 14:46:32,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:32,048 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:32,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:46:32,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:32,275 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:32,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:32,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1649845849, now seen corresponding path program 1 times [2021-11-22 14:46:32,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:32,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855710016] [2021-11-22 14:46:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:32,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:32,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:32,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:32,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 14:46:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:33,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:46:33,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:33,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:34,442 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:34,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855710016] [2021-11-22 14:46:34,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855710016] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:34,442 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:34,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-22 14:46:34,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010165773] [2021-11-22 14:46:34,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:34,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 14:46:34,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 14:46:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 14:46:34,444 INFO L87 Difference]: Start difference. First operand 5115 states and 6792 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2021-11-22 14:46:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:36,098 INFO L93 Difference]: Finished difference Result 10181 states and 13517 transitions. [2021-11-22 14:46:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 14:46:36,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) Word has length 33 [2021-11-22 14:46:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:36,132 INFO L225 Difference]: With dead ends: 10181 [2021-11-22 14:46:36,132 INFO L226 Difference]: Without dead ends: 5109 [2021-11-22 14:46:36,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:46:36,146 INFO L933 BasicCegarLoop]: 6406 mSDtfsCounter, 13 mSDsluCounter, 32000 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 38406 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:36,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 38406 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 14:46:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2021-11-22 14:46:36,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5109. [2021-11-22 14:46:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 5039 states have (on average 1.346100416749355) internal successors, (6783), 5108 states have internal predecessors, (6783), 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) [2021-11-22 14:46:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 6783 transitions. [2021-11-22 14:46:36,537 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 6783 transitions. Word has length 33 [2021-11-22 14:46:36,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:36,538 INFO L470 AbstractCegarLoop]: Abstraction has 5109 states and 6783 transitions. [2021-11-22 14:46:36,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2021-11-22 14:46:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 6783 transitions. [2021-11-22 14:46:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 14:46:36,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:36,544 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:36,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-22 14:46:36,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:36,759 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:46:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash -145948938, now seen corresponding path program 1 times [2021-11-22 14:46:36,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:36,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201941501] [2021-11-22 14:46:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:36,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:36,764 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:36,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 14:46:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:38,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 14:46:38,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:38,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:39,725 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:39,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201941501] [2021-11-22 14:46:39,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201941501] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:39,725 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:39,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-22 14:46:39,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576309790] [2021-11-22 14:46:39,726 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:39,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:46:39,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:39,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:46:39,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:46:39,728 INFO L87 Difference]: Start difference. First operand 5109 states and 6783 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2021-11-22 14:46:42,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:46:47,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:47:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:47:08,412 INFO L93 Difference]: Finished difference Result 17337 states and 22974 transitions. [2021-11-22 14:47:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 14:47:08,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) Word has length 47 [2021-11-22 14:47:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:47:08,465 INFO L225 Difference]: With dead ends: 17337 [2021-11-22 14:47:08,465 INFO L226 Difference]: Without dead ends: 12271 [2021-11-22 14:47:08,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:47:08,485 INFO L933 BasicCegarLoop]: 14234 mSDtfsCounter, 8357 mSDsluCounter, 67526 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8357 SdHoareTripleChecker+Valid, 81760 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:47:08,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8357 Valid, 81760 Invalid, 2336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [104 Valid, 2231 Invalid, 1 Unknown, 0 Unchecked, 27.0s Time] [2021-11-22 14:47:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2021-11-22 14:47:09,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 5114. [2021-11-22 14:47:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 5044 states have (on average 1.3457573354480572) internal successors, (6788), 5113 states have internal predecessors, (6788), 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) [2021-11-22 14:47:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 6788 transitions. [2021-11-22 14:47:09,142 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 6788 transitions. Word has length 47 [2021-11-22 14:47:09,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:47:09,145 INFO L470 AbstractCegarLoop]: Abstraction has 5114 states and 6788 transitions. [2021-11-22 14:47:09,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2021-11-22 14:47:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 6788 transitions. [2021-11-22 14:47:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 14:47:09,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:47:09,148 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:47:09,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:47:09,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:47:09,375 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:47:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:47:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1647207171, now seen corresponding path program 1 times [2021-11-22 14:47:09,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:47:09,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856233059] [2021-11-22 14:47:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:47:09,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:47:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:47:09,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:47:09,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 14:47:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:47:10,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:47:10,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:47:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:47:11,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:47:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:47:11,514 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:47:11,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856233059] [2021-11-22 14:47:11,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856233059] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:47:11,514 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:47:11,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-22 14:47:11,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316875504] [2021-11-22 14:47:11,515 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:47:11,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:47:11,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:47:11,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:47:11,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:47:11,517 INFO L87 Difference]: Start difference. First operand 5114 states and 6788 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-22 14:47:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:47:12,907 INFO L93 Difference]: Finished difference Result 10179 states and 13512 transitions. [2021-11-22 14:47:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:47:12,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) Word has length 48 [2021-11-22 14:47:12,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:47:12,924 INFO L225 Difference]: With dead ends: 10179 [2021-11-22 14:47:12,924 INFO L226 Difference]: Without dead ends: 5114 [2021-11-22 14:47:12,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:47:12,938 INFO L933 BasicCegarLoop]: 6398 mSDtfsCounter, 3 mSDsluCounter, 12786 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:47:12,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 19184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-22 14:47:12,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2021-11-22 14:47:13,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5114. [2021-11-22 14:47:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 5044 states have (on average 1.3455590800951627) internal successors, (6787), 5113 states have internal predecessors, (6787), 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) [2021-11-22 14:47:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 6787 transitions. [2021-11-22 14:47:13,358 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 6787 transitions. Word has length 48 [2021-11-22 14:47:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:47:13,359 INFO L470 AbstractCegarLoop]: Abstraction has 5114 states and 6787 transitions. [2021-11-22 14:47:13,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-22 14:47:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 6787 transitions. [2021-11-22 14:47:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 14:47:13,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:47:13,362 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:47:13,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:47:13,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:47:13,587 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:47:13,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:47:13,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1499238855, now seen corresponding path program 1 times [2021-11-22 14:47:13,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:47:13,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845052461] [2021-11-22 14:47:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:47:13,589 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:47:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:47:13,591 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:47:13,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 14:47:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:47:14,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 14:47:14,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:47:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:47:17,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:47:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:47:18,960 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:47:18,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845052461] [2021-11-22 14:47:18,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845052461] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:47:18,961 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:47:18,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 8] imperfect sequences [] total 17 [2021-11-22 14:47:18,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302897420] [2021-11-22 14:47:18,961 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:47:18,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 14:47:18,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:47:18,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 14:47:18,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-11-22 14:47:18,963 INFO L87 Difference]: Start difference. First operand 5114 states and 6787 transitions. Second operand has 17 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 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) [2021-11-22 14:47:26,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:47:37,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:47:59,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:00,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:06,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:07,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:29,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:56,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:39,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:43,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:47,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:53,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:57,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:02,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:15,119 INFO L93 Difference]: Finished difference Result 22527 states and 29917 transitions. [2021-11-22 14:50:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 14:50:15,120 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 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) Word has length 50 [2021-11-22 14:50:15,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:15,166 INFO L225 Difference]: With dead ends: 22527 [2021-11-22 14:50:15,166 INFO L226 Difference]: Without dead ends: 17461 [2021-11-22 14:50:15,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2021-11-22 14:50:15,181 INFO L933 BasicCegarLoop]: 21570 mSDtfsCounter, 14441 mSDsluCounter, 249153 mSDsCounter, 0 mSdLazyCounter, 7665 mSolverCounterSat, 178 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14441 SdHoareTripleChecker+Valid, 270723 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 7665 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 169.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:15,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14441 Valid, 270723 Invalid, 7851 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [178 Valid, 7665 Invalid, 6 Unknown, 2 Unchecked, 169.1s Time] [2021-11-22 14:50:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17461 states. [2021-11-22 14:50:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17461 to 5108. [2021-11-22 14:50:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5038 states have (on average 1.3457721317983327) internal successors, (6780), 5107 states have internal predecessors, (6780), 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) [2021-11-22 14:50:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 6780 transitions. [2021-11-22 14:50:15,809 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 6780 transitions. Word has length 50 [2021-11-22 14:50:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:15,810 INFO L470 AbstractCegarLoop]: Abstraction has 5108 states and 6780 transitions. [2021-11-22 14:50:15,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 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) [2021-11-22 14:50:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 6780 transitions. [2021-11-22 14:50:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 14:50:15,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:15,814 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:15,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:16,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:16,031 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:50:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1805428016, now seen corresponding path program 1 times [2021-11-22 14:50:16,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:16,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125340525] [2021-11-22 14:50:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:16,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:16,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:16,034 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:16,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-22 14:50:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:17,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 14:50:17,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:17,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:50:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:18,209 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:50:18,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125340525] [2021-11-22 14:50:18,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125340525] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:18,210 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:18,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-22 14:50:18,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739789276] [2021-11-22 14:50:18,211 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:18,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:50:18,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:50:18,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:50:18,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:50:18,212 INFO L87 Difference]: Start difference. First operand 5108 states and 6780 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-22 14:50:25,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:25,474 INFO L93 Difference]: Finished difference Result 11324 states and 15003 transitions. [2021-11-22 14:50:25,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:50:25,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) Word has length 51 [2021-11-22 14:50:25,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:25,491 INFO L225 Difference]: With dead ends: 11324 [2021-11-22 14:50:25,491 INFO L226 Difference]: Without dead ends: 6258 [2021-11-22 14:50:25,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:50:25,501 INFO L933 BasicCegarLoop]: 6465 mSDtfsCounter, 9668 mSDsluCounter, 5396 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9668 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:25,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9668 Valid, 11861 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-11-22 14:50:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6258 states. [2021-11-22 14:50:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6258 to 5108. [2021-11-22 14:50:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5038 states have (on average 1.3455736403334657) internal successors, (6779), 5107 states have internal predecessors, (6779), 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) [2021-11-22 14:50:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 6779 transitions. [2021-11-22 14:50:26,060 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 6779 transitions. Word has length 51 [2021-11-22 14:50:26,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:26,060 INFO L470 AbstractCegarLoop]: Abstraction has 5108 states and 6779 transitions. [2021-11-22 14:50:26,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-22 14:50:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 6779 transitions. [2021-11-22 14:50:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 14:50:26,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:26,063 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:26,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:26,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:26,279 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:50:26,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1103828142, now seen corresponding path program 1 times [2021-11-22 14:50:26,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:26,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412568386] [2021-11-22 14:50:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:26,282 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:26,283 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:26,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-22 14:50:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:27,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:50:27,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:28,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:50:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:28,961 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:50:28,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412568386] [2021-11-22 14:50:28,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412568386] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:28,961 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:28,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 14:50:28,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380089858] [2021-11-22 14:50:28,962 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:28,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:50:28,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:50:28,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:50:28,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:50:28,963 INFO L87 Difference]: Start difference. First operand 5108 states and 6779 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-22 14:50:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:29,887 INFO L93 Difference]: Finished difference Result 16995 states and 22377 transitions. [2021-11-22 14:50:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:50:29,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) Word has length 51 [2021-11-22 14:50:29,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:29,908 INFO L225 Difference]: With dead ends: 16995 [2021-11-22 14:50:29,908 INFO L226 Difference]: Without dead ends: 11934 [2021-11-22 14:50:29,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:50:29,924 INFO L933 BasicCegarLoop]: 6391 mSDtfsCounter, 12295 mSDsluCounter, 10337 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12295 SdHoareTripleChecker+Valid, 16728 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:29,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12295 Valid, 16728 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:50:29,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11934 states. [2021-11-22 14:50:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11934 to 9194. [2021-11-22 14:50:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9194 states, 9124 states have (on average 1.3353792196405085) internal successors, (12184), 9193 states have internal predecessors, (12184), 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) [2021-11-22 14:50:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9194 states to 9194 states and 12184 transitions. [2021-11-22 14:50:30,796 INFO L78 Accepts]: Start accepts. Automaton has 9194 states and 12184 transitions. Word has length 51 [2021-11-22 14:50:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:30,797 INFO L470 AbstractCegarLoop]: Abstraction has 9194 states and 12184 transitions. [2021-11-22 14:50:30,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-22 14:50:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9194 states and 12184 transitions. [2021-11-22 14:50:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 14:50:30,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:30,800 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:30,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:31,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:31,015 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:50:31,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:31,015 INFO L85 PathProgramCache]: Analyzing trace with hash 250716310, now seen corresponding path program 1 times [2021-11-22 14:50:31,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:31,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317331995] [2021-11-22 14:50:31,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:31,017 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:31,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:31,018 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:31,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-22 14:50:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:32,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:50:32,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:32,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:50:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:33,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:50:33,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317331995] [2021-11-22 14:50:33,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317331995] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:33,118 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:33,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 14:50:33,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267341736] [2021-11-22 14:50:33,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:33,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:50:33,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:50:33,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:50:33,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:50:33,120 INFO L87 Difference]: Start difference. First operand 9194 states and 12184 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-22 14:50:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:34,597 INFO L93 Difference]: Finished difference Result 9194 states and 12184 transitions. [2021-11-22 14:50:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:50:34,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) Word has length 51 [2021-11-22 14:50:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:34,609 INFO L225 Difference]: With dead ends: 9194 [2021-11-22 14:50:34,609 INFO L226 Difference]: Without dead ends: 7902 [2021-11-22 14:50:34,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:50:34,613 INFO L933 BasicCegarLoop]: 5040 mSDtfsCounter, 3096 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:34,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3096 Valid, 6963 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 14:50:34,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2021-11-22 14:50:35,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7902. [2021-11-22 14:50:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 7863 states have (on average 1.327737504769172) internal successors, (10440), 7901 states have internal predecessors, (10440), 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) [2021-11-22 14:50:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 10440 transitions. [2021-11-22 14:50:35,402 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 10440 transitions. Word has length 51 [2021-11-22 14:50:35,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:35,403 INFO L470 AbstractCegarLoop]: Abstraction has 7902 states and 10440 transitions. [2021-11-22 14:50:35,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-22 14:50:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 10440 transitions. [2021-11-22 14:50:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 14:50:35,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:35,407 INFO L514 BasicCegarLoop]: 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, 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] [2021-11-22 14:50:35,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:35,631 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-22 14:50:35,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash -657646171, now seen corresponding path program 1 times [2021-11-22 14:50:35,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:35,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989880125] [2021-11-22 14:50:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:35,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:35,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:35,636 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5545867-2919-4d43-9639-5bc8a5188cc8/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process