./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a --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 acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc --- 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-b5237d8 [2022-11-21 13:56:54,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:56:54,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:56:54,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:56:54,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:56:54,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:56:54,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:56:54,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:56:54,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:56:54,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:56:54,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:56:54,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:56:54,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:56:54,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:56:54,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:56:54,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:56:54,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:56:54,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:56:54,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:56:54,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:56:54,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:56:54,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:56:54,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:56:54,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:56:54,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:56:54,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:56:54,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:56:54,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:56:54,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:56:54,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:56:54,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:56:54,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:56:54,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:56:54,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:56:54,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:56:54,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:56:54,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:56:54,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:56:54,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:56:54,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:56:54,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:56:54,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:56:54,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:56:54,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:56:54,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:56:54,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:56:54,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:56:54,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:56:54,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:56:54,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:56:54,715 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:56:54,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:56:54,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:56:54,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:56:54,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:56:54,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:56:54,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:56:54,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:56:54,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:56:54,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:56:54,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:56:54,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:56:54,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:56:54,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:56:54,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:56:54,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:56:54,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:56:54,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:56:54,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:56:54,720 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:56:54,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:56:54,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:56:54,722 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_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc [2022-11-21 13:56:55,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:56:55,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:56:55,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:56:55,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:56:55,098 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:56:55,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-21 13:56:58,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:56:58,533 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:56:58,533 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-21 13:56:58,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/658d8b45d/0bf1e27ebfe84f9f9a9124cd874ce9fc/FLAGb558cf9f6 [2022-11-21 13:56:58,558 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/658d8b45d/0bf1e27ebfe84f9f9a9124cd874ce9fc [2022-11-21 13:56:58,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:56:58,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:56:58,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:56:58,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:56:58,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:56:58,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:58" (1/1) ... [2022-11-21 13:56:58,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bbceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:58, skipping insertion in model container [2022-11-21 13:56:58,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:58" (1/1) ... [2022-11-21 13:56:58,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:56:58,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:56:58,802 WARN L237 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_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-21 13:56:58,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:56:58,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:56:58,935 WARN L237 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_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-21 13:56:58,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:56:59,007 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:56:59,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59 WrapperNode [2022-11-21 13:56:59,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:56:59,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:56:59,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:56:59,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:56:59,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,071 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2022-11-21 13:56:59,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:56:59,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:56:59,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:56:59,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:56:59,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:56:59,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:56:59,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:56:59,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:56:59,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (1/1) ... [2022-11-21 13:56:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:56:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:56:59,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:56:59,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:56:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:56:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:56:59,362 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:56:59,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:56:59,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:56:59,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:56:59,901 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 13:56:59,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:56:59 BoogieIcfgContainer [2022-11-21 13:56:59,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:56:59,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:56:59,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:56:59,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:56:59,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:56:58" (1/3) ... [2022-11-21 13:56:59,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94e4293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:56:59, skipping insertion in model container [2022-11-21 13:56:59,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:59" (2/3) ... [2022-11-21 13:56:59,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94e4293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:56:59, skipping insertion in model container [2022-11-21 13:56:59,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:56:59" (3/3) ... [2022-11-21 13:56:59,913 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal51.c [2022-11-21 13:56:59,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:56:59,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:56:59,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:57:00,005 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;@6043a743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:57:00,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:57:00,011 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) [2022-11-21 13:57:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 13:57:00,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:57:00,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 13:57:00,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:57:00,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 13:57:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:00,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499598422] [2022-11-21 13:57:00,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:57:00,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:57:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:57:00,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:57:00,690 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 13:57:00,691 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 13:57:00,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:57:00,698 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 13:57:00,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:57:00,733 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 13:57:00,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:57:00 BoogieIcfgContainer [2022-11-21 13:57:00,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:57:00,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:57:00,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:57:00,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:57:00,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:56:59" (3/4) ... [2022-11-21 13:57:00,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 13:57:00,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:57:00,749 INFO L158 Benchmark]: Toolchain (without parser) took 2185.41ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 140.9MB in the end (delta: 18.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-21 13:57:00,750 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:57:00,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.39ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 145.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 13:57:00,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.40ms. Allocated memory is still 205.5MB. Free memory was 145.2MB in the beginning and 142.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:57:00,752 INFO L158 Benchmark]: Boogie Preprocessor took 35.44ms. Allocated memory is still 205.5MB. Free memory was 142.3MB in the beginning and 141.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:57:00,752 INFO L158 Benchmark]: RCFGBuilder took 794.83ms. Allocated memory is still 205.5MB. Free memory was 141.1MB in the beginning and 97.9MB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 13:57:00,753 INFO L158 Benchmark]: TraceAbstraction took 836.39ms. Allocated memory is still 205.5MB. Free memory was 97.0MB in the beginning and 142.0MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:57:00,753 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 205.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:57:00,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.39ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 145.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.40ms. Allocated memory is still 205.5MB. Free memory was 145.2MB in the beginning and 142.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.44ms. Allocated memory is still 205.5MB. Free memory was 142.3MB in the beginning and 141.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 794.83ms. Allocated memory is still 205.5MB. Free memory was 141.1MB in the beginning and 97.9MB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 836.39ms. Allocated memory is still 205.5MB. Free memory was 97.0MB in the beginning and 142.0MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 205.5MB. Free memory is still 140.9MB. 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 77, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 65. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L31] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 2); [L32] const SORT_27 msb_SORT_27 = (SORT_27)1 << (2 - 1); [L34] const SORT_1 var_11 = 0; [L35] const SORT_5 var_15 = 0; [L36] const SORT_5 var_21 = 2; [L37] const SORT_5 var_24 = 1; [L38] const SORT_1 var_41 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L46] SORT_5 input_9; [L47] SORT_5 input_10; [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 init_13_arg_1 = var_11; [L55] state_12 = init_13_arg_1 [L56] SORT_5 init_17_arg_1 = var_15; [L57] state_16 = init_17_arg_1 [L58] SORT_1 init_19_arg_1 = var_11; [L59] state_18 = init_19_arg_1 [L60] SORT_5 init_31_arg_1 = var_15; [L61] state_30 = init_31_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_31_arg_1=0, mask_SORT_1=1, mask_SORT_27=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_27=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_30=0, var_11=0, var_15=0, var_21=2, var_24=1, var_41=1] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_2 = input_2 & mask_SORT_1 [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_3 = input_3 & mask_SORT_1 [L68] input_4 = __VERIFIER_nondet_uchar() [L69] input_6 = __VERIFIER_nondet_uchar() [L70] input_7 = __VERIFIER_nondet_uchar() [L71] input_8 = __VERIFIER_nondet_uchar() [L72] input_9 = __VERIFIER_nondet_uchar() [L73] input_10 = __VERIFIER_nondet_uchar() [L76] SORT_1 var_14_arg_0 = state_12; [L77] SORT_1 var_14 = ~var_14_arg_0; [L78] SORT_1 var_20_arg_0 = state_18; [L79] SORT_5 var_20_arg_1 = state_16; [L80] SORT_5 var_20_arg_2 = input_7; [L81] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L82] var_20 = var_20 & mask_SORT_5 [L83] SORT_5 var_25_arg_0 = var_20; [L84] SORT_5 var_25_arg_1 = var_24; [L85] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L86] SORT_1 var_26_arg_0 = var_25; [L87] SORT_1 var_26 = ~var_26_arg_0; [L88] SORT_5 var_22_arg_0 = var_20; [L89] SORT_5 var_22_arg_1 = var_21; [L90] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L91] SORT_1 var_23_arg_0 = var_22; [L92] SORT_1 var_23 = ~var_23_arg_0; [L93] var_23 = var_23 & mask_SORT_1 [L94] SORT_1 var_28_arg_0 = var_26; [L95] SORT_1 var_28_arg_1 = var_23; [L96] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 1) | var_28_arg_1; [L97] var_28 = var_28 & mask_SORT_27 [L98] SORT_27 var_29_arg_0 = var_28; [L99] SORT_1 var_29 = var_29_arg_0 == mask_SORT_27; [L100] SORT_1 var_32_arg_0 = state_18; [L101] SORT_5 var_32_arg_1 = state_30; [L102] SORT_5 var_32_arg_2 = input_7; [L103] SORT_5 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L104] var_32 = var_32 & mask_SORT_5 [L105] SORT_5 var_33_arg_0 = var_32; [L106] SORT_5 var_33_arg_1 = var_21; [L107] SORT_1 var_33 = var_33_arg_0 == var_33_arg_1; [L108] SORT_1 var_34_arg_0 = var_33; [L109] SORT_1 var_34 = ~var_34_arg_0; [L110] var_34 = var_34 & mask_SORT_1 [L111] SORT_1 var_35_arg_0 = var_26; [L112] SORT_1 var_35_arg_1 = var_34; [L113] SORT_27 var_35 = ((SORT_27)var_35_arg_0 << 1) | var_35_arg_1; [L114] var_35 = var_35 & mask_SORT_27 [L115] SORT_27 var_36_arg_0 = var_35; [L116] SORT_1 var_36 = var_36_arg_0 == mask_SORT_27; [L117] SORT_1 var_37_arg_0 = var_29; [L118] SORT_1 var_37_arg_1 = var_36; [L119] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L120] SORT_1 var_38_arg_0 = var_14; [L121] SORT_1 var_38_arg_1 = var_37; [L122] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L123] SORT_1 var_42_arg_0 = var_38; [L124] SORT_1 var_42 = ~var_42_arg_0; [L125] SORT_1 var_43_arg_0 = var_41; [L126] SORT_1 var_43_arg_1 = var_42; [L127] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L128] var_43 = var_43 & mask_SORT_1 [L129] SORT_1 bad_44_arg_0 = var_43; [L130] CALL __VERIFIER_assert(!(bad_44_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-11-21 13:57:00,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a --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 acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc --- 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-b5237d8 [2022-11-21 13:57:03,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:57:03,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:57:03,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:57:03,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:57:03,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:57:03,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:57:03,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:57:03,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:57:03,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:57:03,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:57:03,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:57:03,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:57:03,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:57:03,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:57:03,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:57:03,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:57:03,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:57:03,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:57:03,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:57:03,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:57:03,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:57:03,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:57:03,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:57:03,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:57:03,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:57:03,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:57:03,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:57:03,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:57:03,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:57:03,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:57:03,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:57:03,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:57:03,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:57:03,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:57:03,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:57:03,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:57:03,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:57:03,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:57:03,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:57:03,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:57:03,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 13:57:03,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:57:03,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:57:03,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:57:03,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:57:03,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:57:03,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:57:03,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:57:03,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:57:03,681 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:57:03,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:57:03,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:57:03,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:57:03,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:57:03,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:57:03,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 13:57:03,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 13:57:03,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 13:57:03,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:57:03,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:57:03,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:57:03,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:57:03,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:57:03,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:57:03,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:57:03,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:57:03,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:57:03,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:57:03,688 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 13:57:03,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 13:57:03,689 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:57:03,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:57:03,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:57:03,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 13:57:03,691 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_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc [2022-11-21 13:57:04,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:57:04,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:57:04,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:57:04,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:57:04,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:57:04,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-21 13:57:07,698 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:57:07,935 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:57:07,936 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-21 13:57:07,944 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/7d865c6a9/a732bd5caa8049cca40d5feb58b7250a/FLAGcf35fff6b [2022-11-21 13:57:07,970 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/data/7d865c6a9/a732bd5caa8049cca40d5feb58b7250a [2022-11-21 13:57:07,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:57:07,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:57:07,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:57:07,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:57:07,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:57:07,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:07" (1/1) ... [2022-11-21 13:57:07,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b80149a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:07, skipping insertion in model container [2022-11-21 13:57:07,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:07" (1/1) ... [2022-11-21 13:57:07,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:57:08,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:57:08,180 WARN L237 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_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-21 13:57:08,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:57:08,302 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:57:08,314 WARN L237 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_eaac5afc-575b-40f9-8b4e-f11074539625/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-21 13:57:08,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:57:08,366 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:57:08,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08 WrapperNode [2022-11-21 13:57:08,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:57:08,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:57:08,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:57:08,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:57:08,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,445 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2022-11-21 13:57:08,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:57:08,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:57:08,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:57:08,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:57:08,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,503 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:57:08,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:57:08,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:57:08,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:57:08,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (1/1) ... [2022-11-21 13:57:08,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:57:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:57:08,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:57:08,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:57:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:57:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:57:08,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:57:08,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:57:09,142 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:57:09,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:57:09,160 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 13:57:09,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:09 BoogieIcfgContainer [2022-11-21 13:57:09,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:57:09,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:57:09,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:57:09,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:57:09,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:57:07" (1/3) ... [2022-11-21 13:57:09,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b440f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:09, skipping insertion in model container [2022-11-21 13:57:09,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:08" (2/3) ... [2022-11-21 13:57:09,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b440f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:09, skipping insertion in model container [2022-11-21 13:57:09,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:09" (3/3) ... [2022-11-21 13:57:09,186 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal51.c [2022-11-21 13:57:09,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:57:09,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:57:09,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:57:09,274 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;@4d6e435c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:57:09,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:57:09,279 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) [2022-11-21 13:57:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 13:57:09,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:57:09,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 13:57:09,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:57:09,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 13:57:09,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 13:57:09,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000578036] [2022-11-21 13:57:09,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:09,309 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 [2022-11-21 13:57:09,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 13:57:09,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 13:57:09,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:09,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 13:57:09,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:57:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:09,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:57:09,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 13:57:09,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000578036] [2022-11-21 13:57:09,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000578036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:09,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:09,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:57:09,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490256153] [2022-11-21 13:57:09,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:09,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:57:09,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 13:57:09,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:57:09,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:57:09,747 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) [2022-11-21 13:57:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:57:09,814 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-21 13:57:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:57:09,816 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 [2022-11-21 13:57:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:57:09,825 INFO L225 Difference]: With dead ends: 20 [2022-11-21 13:57:09,825 INFO L226 Difference]: Without dead ends: 11 [2022-11-21 13:57:09,828 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 [2022-11-21 13:57:09,832 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:57:09,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:57:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-21 13:57:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-21 13:57:09,865 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) [2022-11-21 13:57:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-21 13:57:09,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-21 13:57:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:57:09,868 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-21 13:57:09,868 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) [2022-11-21 13:57:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-21 13:57:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 13:57:09,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:57:09,870 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-21 13:57:09,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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)] Forceful destruction successful, exit code 0 [2022-11-21 13:57:10,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:10,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:57:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:10,084 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-21 13:57:10,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 13:57:10,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4173112] [2022-11-21 13:57:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:10,086 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 [2022-11-21 13:57:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 13:57:10,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 13:57:10,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:10,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-21 13:57:10,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:57:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:11,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:57:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:14,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 13:57:14,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4173112] [2022-11-21 13:57:14,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4173112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:57:14,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 13:57:14,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-21 13:57:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050646955] [2022-11-21 13:57:14,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 13:57:14,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 13:57:14,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 13:57:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 13:57:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:57:14,308 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:57:14,473 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-21 13:57:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 13:57:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-21 13:57:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:57:14,475 INFO L225 Difference]: With dead ends: 16 [2022-11-21 13:57:14,475 INFO L226 Difference]: Without dead ends: 14 [2022-11-21 13:57:14,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:57:14,477 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:57:14,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:57:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-21 13:57:14,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-21 13:57:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 13:57:14,485 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-21 13:57:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:57:14,487 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-21 13:57:14,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 13:57:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 13:57:14,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:57:14,492 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-21 13:57:14,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:14,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:14,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:57:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-21 13:57:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 13:57:14,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113834382] [2022-11-21 13:57:14,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 13:57:14,709 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 [2022-11-21 13:57:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 13:57:14,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 13:57:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 (4)] Waiting until timeout for monitored process [2022-11-21 13:57:14,897 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 13:57:14,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 13:57:14,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-21 13:57:14,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:57:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:17,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:57:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:36,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 13:57:36,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113834382] [2022-11-21 13:57:36,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113834382] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:57:36,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 13:57:36,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-21 13:57:36,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601881719] [2022-11-21 13:57:36,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 13:57:36,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:57:36,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 13:57:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:57:36,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:57:36,832 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-21 13:57:37,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:57:37,261 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-21 13:57:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 13:57:37,262 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-21 13:57:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:57:37,262 INFO L225 Difference]: With dead ends: 13 [2022-11-21 13:57:37,263 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 13:57:37,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-21 13:57:37,264 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:57:37,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 13:57:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 13:57:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 13:57:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 13:57:37,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-21 13:57:37,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:57:37,267 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 13:57:37,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-21 13:57:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 13:57:37,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 13:57:37,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 13:57:37,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 (4)] Forceful destruction successful, exit code 0 [2022-11-21 13:57:37,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 13:57:37,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 13:57:37,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 13:57:37,715 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 196) the Hoare annotation is: (let ((.cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_18~0#1|)) (.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (.cse2 (= |ULTIMATE.start_main_~mask_SORT_27~0#1| (_ bv3 8))) (.cse3 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~var_41~0#1|)) (.cse6 (= (_ bv2 8) |ULTIMATE.start_main_~var_21~0#1|)) (.cse7 (= |ULTIMATE.start_main_~var_15~0#1| (_ bv0 8))) (.cse8 (= |ULTIMATE.start_main_~var_41~0#1| |ULTIMATE.start_main_~state_12~0#1|)) (.cse9 (= |ULTIMATE.start_main_~var_11~0#1| (_ bv0 8)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~state_12~0#1|) .cse5 .cse6 .cse7 .cse9) (let ((.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and .cse0 .cse1 .cse2 (exists ((|ULTIMATE.start_main_~var_32_arg_2~0#1| (_ BitVec 8))) (let ((.cse10 ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_32_arg_2~0#1|))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))))) (and (= .cse10 |ULTIMATE.start_main_~var_32~0#1|) (= .cse10 |ULTIMATE.start_main_~var_20~0#1|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet4#1_5| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_2~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet4#1_5|) .cse11)))) (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse12 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)))))))))))) (and (= .cse12 |ULTIMATE.start_main_~state_16~0#1|) (= .cse12 |ULTIMATE.start_main_~state_30~0#1|)))) .cse3 .cse4 (= ((_ extract 7 0) (bvand (_ bv1 32) .cse11)) |ULTIMATE.start_main_~state_18~0#1|) .cse6 .cse7 .cse8 .cse9 (exists ((|v_ULTIMATE.start_main_#t~nondet5#1_5| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_3~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet5#1_5|) .cse11)))))))) [2022-11-21 13:57:37,715 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 196) no Hoare annotation was computed. [2022-11-21 13:57:37,715 INFO L895 garLoopResultBuilder]: At program point L197(lines 22 198) the Hoare annotation is: false [2022-11-21 13:57:37,715 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 13:57:37,715 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 13:57:37,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 13:57:37,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-21 13:57:37,716 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-21 13:57:37,716 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-21 13:57:37,716 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-21 13:57:37,720 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-21 13:57:37,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:57:37,729 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,730 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,731 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] [2022-11-21 13:57:37,731 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,731 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,732 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] [2022-11-21 13:57:37,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] [2022-11-21 13:57:37,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] [2022-11-21 13:57:37,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:57:37 BoogieIcfgContainer [2022-11-21 13:57:37,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:57:37,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:57:37,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:57:37,745 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:57:37,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:09" (3/4) ... [2022-11-21 13:57:37,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 13:57:37,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 13:57:37,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 13:57:37,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 13:57:37,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 0bv8 == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) || ((((((((1bv8 == mask_SORT_1 && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && var_11 == state_12) && 0bv8 == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_11 == 0bv8)) || (((((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && (\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == var_32 && ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == var_20)) && (\exists v_ULTIMATE.start_main_#t~nondet4#1_5 : bv8 :: input_2 == ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet4#1_5), ~zero_extendFrom8To32(mask_SORT_1))[7:0])) && (\exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_30)) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet5#1_5 : bv8 :: input_3 == ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet5#1_5), ~zero_extendFrom8To32(mask_SORT_1))[7:0])) [2022-11-21 13:57:37,896 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:57:37,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:57:37,897 INFO L158 Benchmark]: Toolchain (without parser) took 29919.70ms. Allocated memory was 88.1MB in the beginning and 272.6MB in the end (delta: 184.5MB). Free memory was 68.0MB in the beginning and 244.9MB in the end (delta: -176.8MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,897 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:57:37,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.87ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 54.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.62ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 51.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,898 INFO L158 Benchmark]: Boogie Preprocessor took 68.37ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 50.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,899 INFO L158 Benchmark]: RCFGBuilder took 643.40ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 52.2MB in the end (delta: -2.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,899 INFO L158 Benchmark]: TraceAbstraction took 28578.30ms. Allocated memory was 88.1MB in the beginning and 272.6MB in the end (delta: 184.5MB). Free memory was 51.8MB in the beginning and 99.3MB in the end (delta: -47.6MB). Peak memory consumption was 137.3MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,899 INFO L158 Benchmark]: Witness Printer took 151.94ms. Allocated memory is still 272.6MB. Free memory was 99.3MB in the beginning and 244.9MB in the end (delta: -145.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:57:37,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.87ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 54.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.62ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 51.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.37ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 50.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.40ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 52.2MB in the end (delta: -2.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28578.30ms. Allocated memory was 88.1MB in the beginning and 272.6MB in the end (delta: 184.5MB). Free memory was 51.8MB in the beginning and 99.3MB in the end (delta: -47.6MB). Peak memory consumption was 137.3MB. Max. memory is 16.1GB. * Witness Printer took 151.94ms. Allocated memory is still 272.6MB. Free memory was 99.3MB in the beginning and 244.9MB in the end (delta: -145.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 11 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 164 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 14 QuantifiedInterpolants, 4592 SizeOfPredicates, 205 NumberOfNonLiveVariables, 597 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant [2022-11-21 13:57:37,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] [2022-11-21 13:57:37,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] [2022-11-21 13:57:37,914 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,914 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-21 13:57:37,914 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet4#1_5,QUANTIFIED] [2022-11-21 13:57:37,914 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,914 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-21 13:57:37,915 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet5#1_5,QUANTIFIED] Derived loop invariant: ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 0bv8 == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) || ((((((((1bv8 == mask_SORT_1 && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && var_11 == state_12) && 0bv8 == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_11 == 0bv8)) || (((((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && (\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == var_32 && ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == var_20)) && (\exists v_ULTIMATE.start_main_#t~nondet4#1_5 : bv8 :: input_2 == ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet4#1_5), ~zero_extendFrom8To32(mask_SORT_1))[7:0])) && (\exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_30)) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet5#1_5 : bv8 :: input_3 == ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet5#1_5), ~zero_extendFrom8To32(mask_SORT_1))[7:0])) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-21 13:57:37,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac5afc-575b-40f9-8b4e-f11074539625/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE