./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2efa62b5c78d9a8e6cb22bbcfab0dad1178c73ba328a91d31f235444a8b17b87 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:52:52,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:52:52,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:52:52,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:52:52,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:52:52,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:52:52,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:52:52,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:52:52,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:52:52,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:52:52,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:52:52,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:52:52,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:52:52,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:52:52,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:52:52,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:52:52,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:52:52,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:52:52,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:52:52,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:52:52,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:52:52,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:52:52,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:52:52,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:52:52,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:52:52,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:52:52,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:52:52,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:52:52,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:52:52,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:52:52,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:52:52,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:52:52,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:52:52,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:52:52,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:52:52,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:52:52,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:52:52,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:52:52,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:52:52,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:52:52,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:52:52,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:52:52,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:52:52,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:52:52,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:52:52,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:52:52,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:52:52,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:52:52,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:52:52,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:52:52,604 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:52:52,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:52:52,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:52:52,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:52:52,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:52:52,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:52:52,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:52:52,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:52:52,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:52:52,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:52:52,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:52:52,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:52:52,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:52:52,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:52:52,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:52:52,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:52:52,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:52:52,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:52:52,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:52:52,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:52:52,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:52:52,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:52:52,608 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_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efa62b5c78d9a8e6cb22bbcfab0dad1178c73ba328a91d31f235444a8b17b87 [2022-11-16 11:52:52,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:52:52,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:52:52,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:52:52,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:52:52,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:52:52,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2022-11-16 11:52:53,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/336bac6ba/9fd45ca50ecc454e80bd28f598b21e66/FLAG79da40a81 [2022-11-16 11:52:53,613 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:52:53,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2022-11-16 11:52:53,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/336bac6ba/9fd45ca50ecc454e80bd28f598b21e66/FLAG79da40a81 [2022-11-16 11:52:53,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/336bac6ba/9fd45ca50ecc454e80bd28f598b21e66 [2022-11-16 11:52:53,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:52:53,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:52:53,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:52:53,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:52:53,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:52:53,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:53" (1/1) ... [2022-11-16 11:52:53,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d68931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:53, skipping insertion in model container [2022-11-16 11:52:53,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:53" (1/1) ... [2022-11-16 11:52:53,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:52:53,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:52:54,163 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1107,1120] [2022-11-16 11:52:54,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:52:54,287 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:52:54,308 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1107,1120] [2022-11-16 11:52:54,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:52:54,396 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:52:54,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54 WrapperNode [2022-11-16 11:52:54,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:52:54,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:52:54,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:52:54,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:52:54,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,481 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 562 [2022-11-16 11:52:54,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:52:54,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:52:54,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:52:54,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:52:54,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:52:54,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:52:54,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:52:54,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:52:54,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (1/1) ... [2022-11-16 11:52:54,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:52:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:52:54,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:52:54,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:52:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:52:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:52:54,845 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:52:54,847 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:52:56,121 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:52:56,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:52:56,129 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:52:56,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:56 BoogieIcfgContainer [2022-11-16 11:52:56,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:52:56,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:52:56,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:52:56,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:52:56,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:53" (1/3) ... [2022-11-16 11:52:56,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e5f33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:56, skipping insertion in model container [2022-11-16 11:52:56,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:54" (2/3) ... [2022-11-16 11:52:56,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e5f33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:56, skipping insertion in model container [2022-11-16 11:52:56,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:56" (3/3) ... [2022-11-16 11:52:56,144 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.client_server.c [2022-11-16 11:52:56,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:52:56,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:52:56,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:52:56,240 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d7395cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:52:56,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:52:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 61 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 11:52:56,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:52:56,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:56,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:52:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:56,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1809713074, now seen corresponding path program 1 times [2022-11-16 11:52:56,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:56,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429303876] [2022-11-16 11:52:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:56,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:57,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:57,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429303876] [2022-11-16 11:52:57,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429303876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:57,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:57,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:52:57,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959960061] [2022-11-16 11:52:57,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:57,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:52:57,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:52:57,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:52:57,457 INFO L87 Difference]: Start difference. First operand has 62 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 61 states have internal predecessors, (98), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:52:57,723 INFO L93 Difference]: Finished difference Result 175 states and 287 transitions. [2022-11-16 11:52:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:52:57,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-16 11:52:57,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:52:57,739 INFO L225 Difference]: With dead ends: 175 [2022-11-16 11:52:57,739 INFO L226 Difference]: Without dead ends: 115 [2022-11-16 11:52:57,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:52:57,750 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 252 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:52:57,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 188 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:52:57,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-16 11:52:57,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 60. [2022-11-16 11:52:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 59 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 94 transitions. [2022-11-16 11:52:57,804 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 94 transitions. Word has length 7 [2022-11-16 11:52:57,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:52:57,805 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 94 transitions. [2022-11-16 11:52:57,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2022-11-16 11:52:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:52:57,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:52:57,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:57,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:52:57,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:52:57,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:57,809 INFO L85 PathProgramCache]: Analyzing trace with hash 268255406, now seen corresponding path program 1 times [2022-11-16 11:52:57,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:57,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521785551] [2022-11-16 11:52:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:57,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:52:58,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:52:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:52:59,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:52:59,133 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:52:59,136 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:52:59,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:52:59,144 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:52:59,148 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:52:59,205 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:52:59,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:52:59 BoogieIcfgContainer [2022-11-16 11:52:59,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:52:59,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:52:59,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:52:59,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:52:59,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:56" (3/4) ... [2022-11-16 11:52:59,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:52:59,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:52:59,231 INFO L158 Benchmark]: Toolchain (without parser) took 5328.77ms. Allocated memory was 107.0MB in the beginning and 186.6MB in the end (delta: 79.7MB). Free memory was 68.4MB in the beginning and 145.0MB in the end (delta: -76.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,231 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:52:59,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.69ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 73.6MB in the end (delta: -5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.91ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 68.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,233 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,233 INFO L158 Benchmark]: RCFGBuilder took 1600.95ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 69.1MB in the end (delta: -4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,234 INFO L158 Benchmark]: TraceAbstraction took 3083.72ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 68.0MB in the beginning and 145.0MB in the end (delta: -76.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-16 11:52:59,234 INFO L158 Benchmark]: Witness Printer took 10.15ms. Allocated memory is still 186.6MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:52:59,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.69ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 73.6MB in the end (delta: -5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.91ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 68.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1600.95ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 69.1MB in the end (delta: -4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3083.72ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 68.0MB in the beginning and 145.0MB in the end (delta: -76.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 10.15ms. Allocated memory is still 186.6MB. Free memory is still 145.0MB. 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 97, overapproximation of bitwiseAnd at line 95. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_1 var_6 = 0; [L32] const SORT_1 var_18 = 1; [L34] SORT_1 input_2; [L35] SORT_3 input_4; [L36] SORT_3 input_5; [L37] SORT_1 input_77; [L38] SORT_3 input_79; [L39] SORT_1 input_89; [L40] SORT_3 input_96; [L42] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] SORT_1 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 init_8_arg_1 = var_6; [L49] state_7 = init_8_arg_1 [L50] SORT_1 init_10_arg_1 = var_6; [L51] state_9 = init_10_arg_1 [L52] SORT_1 init_13_arg_1 = var_6; [L53] state_12 = init_13_arg_1 [L54] SORT_1 init_15_arg_1 = var_6; [L55] state_14 = init_15_arg_1 [L56] SORT_1 init_76_arg_1 = var_18; [L57] state_75 = init_76_arg_1 VAL [init_10_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_76_arg_1=1, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=31, msb_SORT_1=1, msb_SORT_3=16, state_12=0, state_14=0, state_7=0, state_75=1, state_9=0, var_18=1, var_6=0] [L60] input_2 = __VERIFIER_nondet_uchar() [L61] input_4 = __VERIFIER_nondet_uchar() [L62] input_5 = __VERIFIER_nondet_uchar() [L63] input_77 = __VERIFIER_nondet_uchar() [L64] input_79 = __VERIFIER_nondet_uchar() [L65] input_89 = __VERIFIER_nondet_uchar() [L66] input_96 = __VERIFIER_nondet_uchar() [L69] SORT_1 var_16_arg_0 = var_6; [L70] SORT_1 var_16_arg_1 = state_14; [L71] SORT_1 var_16_arg_2 = state_12; [L72] SORT_1 var_16 = var_16_arg_0 ? var_16_arg_1 : var_16_arg_2; [L73] SORT_1 var_11_arg_0 = var_6; [L74] SORT_1 var_11_arg_1 = state_9; [L75] SORT_1 var_11_arg_2 = state_7; [L76] SORT_1 var_11 = var_11_arg_0 ? var_11_arg_1 : var_11_arg_2; [L77] SORT_1 var_17_arg_0 = var_6; [L78] SORT_1 var_17_arg_1 = var_16; [L79] SORT_1 var_17_arg_2 = var_11; [L80] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L81] SORT_1 var_20_arg_0 = var_18; [L82] SORT_1 var_20_arg_1 = state_14; [L83] SORT_1 var_20_arg_2 = state_12; [L84] SORT_1 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L85] SORT_1 var_19_arg_0 = var_18; [L86] SORT_1 var_19_arg_1 = state_9; [L87] SORT_1 var_19_arg_2 = state_7; [L88] SORT_1 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; [L89] SORT_1 var_21_arg_0 = var_6; [L90] SORT_1 var_21_arg_1 = var_20; [L91] SORT_1 var_21_arg_2 = var_19; [L92] SORT_1 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L93] SORT_1 var_22_arg_0 = var_17; [L94] SORT_1 var_22_arg_1 = var_21; [L95] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L96] SORT_1 var_23_arg_0 = var_22; [L97] SORT_1 var_23 = ~var_23_arg_0; [L98] SORT_1 var_25_arg_0 = var_6; [L99] SORT_1 var_25_arg_1 = state_14; [L100] SORT_1 var_25_arg_2 = state_12; [L101] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L102] SORT_1 var_24_arg_0 = var_6; [L103] SORT_1 var_24_arg_1 = state_9; [L104] SORT_1 var_24_arg_2 = state_7; [L105] SORT_1 var_24 = var_24_arg_0 ? var_24_arg_1 : var_24_arg_2; [L106] SORT_1 var_26_arg_0 = var_6; [L107] SORT_1 var_26_arg_1 = var_25; [L108] SORT_1 var_26_arg_2 = var_24; [L109] SORT_1 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L110] SORT_1 var_28_arg_0 = var_6; [L111] SORT_1 var_28_arg_1 = state_14; [L112] SORT_1 var_28_arg_2 = state_12; [L113] SORT_1 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L114] SORT_1 var_27_arg_0 = var_6; [L115] SORT_1 var_27_arg_1 = state_9; [L116] SORT_1 var_27_arg_2 = state_7; [L117] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L118] SORT_1 var_29_arg_0 = var_18; [L119] SORT_1 var_29_arg_1 = var_28; [L120] SORT_1 var_29_arg_2 = var_27; [L121] SORT_1 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L122] SORT_1 var_30_arg_0 = var_26; [L123] SORT_1 var_30_arg_1 = var_29; [L124] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L125] SORT_1 var_31_arg_0 = var_30; [L126] SORT_1 var_31 = ~var_31_arg_0; [L127] SORT_1 var_32_arg_0 = var_23; [L128] SORT_1 var_32_arg_1 = var_31; [L129] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L130] SORT_1 var_34_arg_0 = var_6; [L131] SORT_1 var_34_arg_1 = state_14; [L132] SORT_1 var_34_arg_2 = state_12; [L133] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L134] SORT_1 var_33_arg_0 = var_6; [L135] SORT_1 var_33_arg_1 = state_9; [L136] SORT_1 var_33_arg_2 = state_7; [L137] SORT_1 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L138] SORT_1 var_35_arg_0 = var_6; [L139] SORT_1 var_35_arg_1 = var_34; [L140] SORT_1 var_35_arg_2 = var_33; [L141] SORT_1 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L142] SORT_1 var_37_arg_0 = var_18; [L143] SORT_1 var_37_arg_1 = state_14; [L144] SORT_1 var_37_arg_2 = state_12; [L145] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L146] SORT_1 var_36_arg_0 = var_18; [L147] SORT_1 var_36_arg_1 = state_9; [L148] SORT_1 var_36_arg_2 = state_7; [L149] SORT_1 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L150] SORT_1 var_38_arg_0 = var_18; [L151] SORT_1 var_38_arg_1 = var_37; [L152] SORT_1 var_38_arg_2 = var_36; [L153] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L154] SORT_1 var_39_arg_0 = var_35; [L155] SORT_1 var_39_arg_1 = var_38; [L156] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L157] SORT_1 var_40_arg_0 = var_39; [L158] SORT_1 var_40 = ~var_40_arg_0; [L159] SORT_1 var_41_arg_0 = var_32; [L160] SORT_1 var_41_arg_1 = var_40; [L161] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L162] SORT_1 var_43_arg_0 = var_18; [L163] SORT_1 var_43_arg_1 = state_14; [L164] SORT_1 var_43_arg_2 = state_12; [L165] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L166] SORT_1 var_42_arg_0 = var_18; [L167] SORT_1 var_42_arg_1 = state_9; [L168] SORT_1 var_42_arg_2 = state_7; [L169] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L170] SORT_1 var_44_arg_0 = var_6; [L171] SORT_1 var_44_arg_1 = var_43; [L172] SORT_1 var_44_arg_2 = var_42; [L173] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L174] SORT_1 var_46_arg_0 = var_6; [L175] SORT_1 var_46_arg_1 = state_14; [L176] SORT_1 var_46_arg_2 = state_12; [L177] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L178] SORT_1 var_45_arg_0 = var_6; [L179] SORT_1 var_45_arg_1 = state_9; [L180] SORT_1 var_45_arg_2 = state_7; [L181] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L182] SORT_1 var_47_arg_0 = var_18; [L183] SORT_1 var_47_arg_1 = var_46; [L184] SORT_1 var_47_arg_2 = var_45; [L185] SORT_1 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L186] SORT_1 var_48_arg_0 = var_44; [L187] SORT_1 var_48_arg_1 = var_47; [L188] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L189] SORT_1 var_49_arg_0 = var_48; [L190] SORT_1 var_49 = ~var_49_arg_0; [L191] SORT_1 var_50_arg_0 = var_41; [L192] SORT_1 var_50_arg_1 = var_49; [L193] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L194] SORT_1 var_52_arg_0 = var_18; [L195] SORT_1 var_52_arg_1 = state_14; [L196] SORT_1 var_52_arg_2 = state_12; [L197] SORT_1 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L198] SORT_1 var_51_arg_0 = var_18; [L199] SORT_1 var_51_arg_1 = state_9; [L200] SORT_1 var_51_arg_2 = state_7; [L201] SORT_1 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L202] SORT_1 var_53_arg_0 = var_6; [L203] SORT_1 var_53_arg_1 = var_52; [L204] SORT_1 var_53_arg_2 = var_51; [L205] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L206] SORT_1 var_55_arg_0 = var_18; [L207] SORT_1 var_55_arg_1 = state_14; [L208] SORT_1 var_55_arg_2 = state_12; [L209] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L210] SORT_1 var_54_arg_0 = var_18; [L211] SORT_1 var_54_arg_1 = state_9; [L212] SORT_1 var_54_arg_2 = state_7; [L213] SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L214] SORT_1 var_56_arg_0 = var_18; [L215] SORT_1 var_56_arg_1 = var_55; [L216] SORT_1 var_56_arg_2 = var_54; [L217] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L218] SORT_1 var_57_arg_0 = var_53; [L219] SORT_1 var_57_arg_1 = var_56; [L220] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L221] SORT_1 var_58_arg_0 = var_57; [L222] SORT_1 var_58 = ~var_58_arg_0; [L223] SORT_1 var_59_arg_0 = var_50; [L224] SORT_1 var_59_arg_1 = var_58; [L225] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L226] SORT_1 var_61_arg_0 = var_6; [L227] SORT_1 var_61_arg_1 = state_14; [L228] SORT_1 var_61_arg_2 = state_12; [L229] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L230] SORT_1 var_60_arg_0 = var_6; [L231] SORT_1 var_60_arg_1 = state_9; [L232] SORT_1 var_60_arg_2 = state_7; [L233] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L234] SORT_1 var_62_arg_0 = var_18; [L235] SORT_1 var_62_arg_1 = var_61; [L236] SORT_1 var_62_arg_2 = var_60; [L237] SORT_1 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L238] SORT_1 var_64_arg_0 = var_18; [L239] SORT_1 var_64_arg_1 = state_14; [L240] SORT_1 var_64_arg_2 = state_12; [L241] SORT_1 var_64 = var_64_arg_0 ? var_64_arg_1 : var_64_arg_2; [L242] SORT_1 var_63_arg_0 = var_18; [L243] SORT_1 var_63_arg_1 = state_9; [L244] SORT_1 var_63_arg_2 = state_7; [L245] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L246] SORT_1 var_65_arg_0 = var_18; [L247] SORT_1 var_65_arg_1 = var_64; [L248] SORT_1 var_65_arg_2 = var_63; [L249] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L250] SORT_1 var_66_arg_0 = var_62; [L251] SORT_1 var_66_arg_1 = var_65; [L252] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L253] SORT_1 var_67_arg_0 = var_66; [L254] SORT_1 var_67 = ~var_67_arg_0; [L255] SORT_1 var_68_arg_0 = var_59; [L256] SORT_1 var_68_arg_1 = var_67; [L257] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L258] SORT_1 var_71_arg_0 = var_68; [L259] SORT_1 var_71 = ~var_71_arg_0; [L260] SORT_1 var_72_arg_0 = var_18; [L261] SORT_1 var_72_arg_1 = var_71; [L262] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; VAL [init_10_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_76_arg_1=1, init_8_arg_1=0, input_2=5, input_4=6, input_5=4, input_77=7, input_79=8, input_89=2, input_96=3, mask_SORT_1=1, mask_SORT_3=31, msb_SORT_1=1, msb_SORT_3=16, state_12=0, state_14=0, state_7=0, state_75=1, state_9=0, var_11=0, var_11_arg_0=0, var_11_arg_1=0, var_11_arg_2=0, var_16=0, var_16_arg_0=0, var_16_arg_1=0, var_16_arg_2=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_18=1, var_19=0, var_19_arg_0=1, var_19_arg_1=0, var_19_arg_2=0, var_20=0, var_20_arg_0=1, var_20_arg_1=0, var_20_arg_2=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_21_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_24_arg_2=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_26=0, var_26_arg_0=0, var_26_arg_1=0, var_26_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_29=0, var_29_arg_0=1, var_29_arg_1=0, var_29_arg_2=0, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=1, var_31_arg_0=0, var_32=0, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=1, var_36_arg_1=0, var_36_arg_2=0, var_37=0, var_37_arg_0=1, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=1, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_42=0, var_42_arg_0=1, var_42_arg_1=0, var_42_arg_2=0, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=1, var_47_arg_1=0, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=255, var_49_arg_0=0, var_50=0, var_50_arg_0=0, var_50_arg_1=255, var_51=0, var_51_arg_0=1, var_51_arg_1=0, var_51_arg_2=0, var_52=0, var_52_arg_0=1, var_52_arg_1=0, var_52_arg_2=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=1, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=1, var_58_arg_0=0, var_59=0, var_59_arg_0=0, var_59_arg_1=1, var_6=0, var_60=0, var_60_arg_0=0, var_60_arg_1=0, var_60_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_62=0, var_62_arg_0=1, var_62_arg_1=0, var_62_arg_2=0, var_63=0, var_63_arg_0=1, var_63_arg_1=0, var_63_arg_2=0, var_64=0, var_64_arg_0=1, var_64_arg_1=0, var_64_arg_2=0, var_65=0, var_65_arg_0=1, var_65_arg_1=0, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=255, var_67_arg_0=0, var_68=0, var_68_arg_0=0, var_68_arg_1=255, var_71=2, var_71_arg_0=0, var_72=1, var_72_arg_0=1, var_72_arg_1=2] [L263] var_72 = var_72 & mask_SORT_1 VAL [init_10_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_76_arg_1=1, init_8_arg_1=0, input_2=5, input_4=6, input_5=4, input_77=7, input_79=8, input_89=2, input_96=3, mask_SORT_1=1, mask_SORT_3=31, msb_SORT_1=1, msb_SORT_3=16, state_12=0, state_14=0, state_7=0, state_75=1, state_9=0, var_11=0, var_11_arg_0=0, var_11_arg_1=0, var_11_arg_2=0, var_16=0, var_16_arg_0=0, var_16_arg_1=0, var_16_arg_2=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_18=1, var_19=0, var_19_arg_0=1, var_19_arg_1=0, var_19_arg_2=0, var_20=0, var_20_arg_0=1, var_20_arg_1=0, var_20_arg_2=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_21_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_24_arg_2=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_26=0, var_26_arg_0=0, var_26_arg_1=0, var_26_arg_2=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_28=0, var_28_arg_0=0, var_28_arg_1=0, var_28_arg_2=0, var_29=0, var_29_arg_0=1, var_29_arg_1=0, var_29_arg_2=0, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=1, var_31_arg_0=0, var_32=0, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_36=0, var_36_arg_0=1, var_36_arg_1=0, var_36_arg_2=0, var_37=0, var_37_arg_0=1, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=1, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_42=0, var_42_arg_0=1, var_42_arg_1=0, var_42_arg_2=0, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=1, var_47_arg_1=0, var_47_arg_2=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=255, var_49_arg_0=0, var_50=0, var_50_arg_0=0, var_50_arg_1=255, var_51=0, var_51_arg_0=1, var_51_arg_1=0, var_51_arg_2=0, var_52=0, var_52_arg_0=1, var_52_arg_1=0, var_52_arg_2=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=1, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=1, var_58_arg_0=0, var_59=0, var_59_arg_0=0, var_59_arg_1=1, var_6=0, var_60=0, var_60_arg_0=0, var_60_arg_1=0, var_60_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_62=0, var_62_arg_0=1, var_62_arg_1=0, var_62_arg_2=0, var_63=0, var_63_arg_0=1, var_63_arg_1=0, var_63_arg_2=0, var_64=0, var_64_arg_0=1, var_64_arg_1=0, var_64_arg_2=0, var_65=0, var_65_arg_0=1, var_65_arg_1=0, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=255, var_67_arg_0=0, var_68=0, var_68_arg_0=0, var_68_arg_1=255, var_71=2, var_71_arg_0=0, var_72=1, var_72_arg_0=1, var_72_arg_1=2] [L264] SORT_1 bad_73_arg_0 = var_72; [L265] CALL __VERIFIER_assert(!(bad_73_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 95 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-16 11:52:59,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2efa62b5c78d9a8e6cb22bbcfab0dad1178c73ba328a91d31f235444a8b17b87 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:53:01,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:53:01,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:53:01,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:53:01,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:53:01,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:53:01,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:53:01,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:53:01,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:53:01,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:53:01,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:53:01,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:53:01,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:53:01,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:53:01,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:53:01,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:53:01,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:53:01,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:53:01,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:53:01,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:53:01,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:53:01,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:53:01,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:53:01,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:53:01,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:53:01,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:53:01,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:53:01,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:53:01,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:53:01,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:53:01,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:53:01,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:53:01,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:53:01,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:53:01,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:53:01,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:53:01,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:53:01,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:53:01,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:53:01,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:53:01,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:53:01,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:53:01,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:53:01,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:53:01,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:53:01,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:53:01,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:53:01,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:53:01,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:53:01,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:53:01,749 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:53:01,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:53:01,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:53:01,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:53:01,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:53:01,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:53:01,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:53:01,752 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:53:01,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:53:01,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:53:01,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:53:01,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:53:01,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:53:01,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:53:01,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:53:01,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:53:01,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:53:01,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:53:01,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:53:01,754 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:53:01,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:53:01,754 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:53:01,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:53:01,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:53:01,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:53:01,755 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_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efa62b5c78d9a8e6cb22bbcfab0dad1178c73ba328a91d31f235444a8b17b87 [2022-11-16 11:53:02,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:53:02,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:53:02,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:53:02,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:53:02,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:53:02,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2022-11-16 11:53:02,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/8c1d3adac/827591ab52a24d81b6dcb6b1788c2615/FLAG7d1d6fa2e [2022-11-16 11:53:02,878 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:53:02,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2022-11-16 11:53:02,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/8c1d3adac/827591ab52a24d81b6dcb6b1788c2615/FLAG7d1d6fa2e [2022-11-16 11:53:03,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/data/8c1d3adac/827591ab52a24d81b6dcb6b1788c2615 [2022-11-16 11:53:03,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:53:03,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:53:03,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:53:03,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:53:03,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:53:03,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17279df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03, skipping insertion in model container [2022-11-16 11:53:03,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:53:03,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:53:03,411 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1107,1120] [2022-11-16 11:53:03,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:53:03,558 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:53:03,569 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1107,1120] [2022-11-16 11:53:03,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:53:03,674 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:53:03,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03 WrapperNode [2022-11-16 11:53:03,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:53:03,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:53:03,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:53:03,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:53:03,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,749 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 443 [2022-11-16 11:53:03,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:53:03,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:53:03,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:53:03,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:53:03,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:53:03,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:53:03,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:53:03,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:53:03,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (1/1) ... [2022-11-16 11:53:03,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:53:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:53:03,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:53:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:53:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:53:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:53:04,175 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:53:04,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:53:04,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:53:04,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:53:04,849 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:53:04,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:53:04 BoogieIcfgContainer [2022-11-16 11:53:04,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:53:04,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:53:04,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:53:04,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:53:04,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:53:03" (1/3) ... [2022-11-16 11:53:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fe6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:04, skipping insertion in model container [2022-11-16 11:53:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:03" (2/3) ... [2022-11-16 11:53:04,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fe6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:04, skipping insertion in model container [2022-11-16 11:53:04,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:53:04" (3/3) ... [2022-11-16 11:53:04,862 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.client_server.c [2022-11-16 11:53:04,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:53:04,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:53:04,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:53:04,976 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e9ad3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:53:04,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:53:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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) [2022-11-16 11:53:04,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:53:04,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:53:04,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:53:04,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:53:05,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:05,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:53:05,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:53:05,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038011921] [2022-11-16 11:53:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:05,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:53:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:53:05,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:53:05,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:53:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:05,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-16 11:53:05,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:53:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:53:06,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:53:06,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:53:06,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038011921] [2022-11-16 11:53:06,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038011921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:53:06,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:53:06,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:53:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693551417] [2022-11-16 11:53:06,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:53:06,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:53:06,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:53:06,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:53:06,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:53:06,249 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:06,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:53:06,369 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:53:06,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:53:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-16 11:53:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:53:06,382 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:53:06,382 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:53:06,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:53:06,389 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:53:06,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:53:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:53:06,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:53:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:53:06,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:53:06,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:53:06,423 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:53:06,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:53:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:53:06,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:53:06,424 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:53:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 11:53:06,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:53:06,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:53:06,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:06,637 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:53:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:53:06,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773546485] [2022-11-16 11:53:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:06,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:53:06,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:53:06,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:53:06,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:53:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 219 conjunts are in the unsatisfiable core [2022-11-16 11:53:06,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:54:03,348 WARN L233 SmtUtils]: Spent 43.88s on a formula simplification. DAG size of input: 428 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:54:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:04,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:54:07,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:54:07,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773546485] [2022-11-16 11:54:07,110 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 11:54:07,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:54:07,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:54:07,311 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 11:54:07,323 INFO L158 Benchmark]: Toolchain (without parser) took 64149.62ms. Allocated memory was 73.4MB in the beginning and 260.0MB in the end (delta: 186.6MB). Free memory was 55.2MB in the beginning and 85.1MB in the end (delta: -29.9MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,325 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:07,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.21ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 49.6MB in the end (delta: 5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.41ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 45.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,328 INFO L158 Benchmark]: Boogie Preprocessor took 85.34ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,330 INFO L158 Benchmark]: RCFGBuilder took 1015.06ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 42.6MB in the beginning and 75.1MB in the end (delta: -32.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,331 INFO L158 Benchmark]: TraceAbstraction took 62462.94ms. Allocated memory was 100.7MB in the beginning and 260.0MB in the end (delta: 159.4MB). Free memory was 74.1MB in the beginning and 85.1MB in the end (delta: -11.0MB). Peak memory consumption was 152.8MB. Max. memory is 16.1GB. [2022-11-16 11:54:07,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.21ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 49.6MB in the end (delta: 5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.41ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 45.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.34ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.06ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 42.6MB in the beginning and 75.1MB in the end (delta: -32.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 62462.94ms. Allocated memory was 100.7MB in the beginning and 260.0MB in the end (delta: 159.4MB). Free memory was 74.1MB in the beginning and 85.1MB in the end (delta: -11.0MB). Peak memory consumption was 152.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 11:54:07,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100b55f-b987-4376-b930-2986d479bad9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop