./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/heap-data/hash_fun.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/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_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-data/hash_fun.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0abab60f5c601fd8191c1a2aa712d4ab55460e987c7d41ca7527c2934792cc0b --- 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 17:32:05,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:32:05,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:32:05,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:32:05,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:32:05,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:32:05,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:32:05,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:32:05,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:32:05,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:32:05,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:32:05,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:32:05,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:32:05,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:32:05,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:32:05,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:32:05,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:32:05,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:32:05,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:32:05,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:32:05,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:32:05,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:32:05,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:32:05,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:32:05,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:32:05,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:32:05,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:32:05,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:32:05,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:32:05,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:32:05,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:32:05,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:32:05,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:32:05,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:32:05,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:32:05,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:32:05,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:32:05,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:32:05,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:32:05,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:32:05,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:32:05,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 17:32:05,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:32:05,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:32:05,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:32:05,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:32:05,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:32:05,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:32:05,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:32:05,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:32:05,596 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:32:05,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:32:05,596 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:32:05,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:32:05,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:32:05,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:32:05,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:32:05,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:32:05,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:32:05,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:32:05,598 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:32:05,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:32:05,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:32:05,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:32:05,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:32:05,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:32:05,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:32:05,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:32:05,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:32:05,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:32:05,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:32:05,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:32:05,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:32:05,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:32:05,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:32:05,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:32:05,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:32:05,602 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_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0abab60f5c601fd8191c1a2aa712d4ab55460e987c7d41ca7527c2934792cc0b [2022-11-21 17:32:05,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:32:05,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:32:05,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:32:05,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:32:05,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:32:05,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/heap-data/hash_fun.i [2022-11-21 17:32:08,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:32:09,350 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:32:09,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/sv-benchmarks/c/heap-data/hash_fun.i [2022-11-21 17:32:09,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/data/ebff37f17/9be81c02f0ec453fb916f9620c37b748/FLAGe84363647 [2022-11-21 17:32:09,380 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/data/ebff37f17/9be81c02f0ec453fb916f9620c37b748 [2022-11-21 17:32:09,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:32:09,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:32:09,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:32:09,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:32:09,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:32:09,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e554da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09, skipping insertion in model container [2022-11-21 17:32:09,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:32:09,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:32:09,726 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_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/sv-benchmarks/c/heap-data/hash_fun.i[23732,23745] [2022-11-21 17:32:09,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:32:09,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:32:09,814 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_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/sv-benchmarks/c/heap-data/hash_fun.i[23732,23745] [2022-11-21 17:32:09,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:32:09,858 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:32:09,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09 WrapperNode [2022-11-21 17:32:09,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:32:09,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:32:09,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:32:09,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:32:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,921 INFO L138 Inliner]: procedures = 125, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2022-11-21 17:32:09,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:32:09,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:32:09,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:32:09,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:32:09,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:32:09,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:32:09,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:32:09,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:32:09,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (1/1) ... [2022-11-21 17:32:09,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:32:09,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:32:10,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:32:10,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:32:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:32:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:32:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:32:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:32:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:32:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:32:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:32:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:32:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:32:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:32:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:32:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:32:10,229 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:32:10,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:32:10,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:32:10,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:32:10,457 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:32:10,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:32:10 BoogieIcfgContainer [2022-11-21 17:32:10,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:32:10,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:32:10,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:32:10,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:32:10,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:32:09" (1/3) ... [2022-11-21 17:32:10,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16129990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:32:10, skipping insertion in model container [2022-11-21 17:32:10,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:32:09" (2/3) ... [2022-11-21 17:32:10,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16129990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:32:10, skipping insertion in model container [2022-11-21 17:32:10,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:32:10" (3/3) ... [2022-11-21 17:32:10,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hash_fun.i [2022-11-21 17:32:10,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:32:10,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-21 17:32:10,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:32:10,545 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;@68422b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:32:10,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-21 17:32:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:32:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 17:32:10,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:10,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:32:10,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-21 17:32:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash 889571273, now seen corresponding path program 1 times [2022-11-21 17:32:10,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:10,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079427822] [2022-11-21 17:32:10,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:10,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:10,794 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 17:32:10,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:10,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079427822] [2022-11-21 17:32:10,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079427822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:10,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:10,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:32:10,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633974419] [2022-11-21 17:32:10,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:10,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:32:10,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:10,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:32:10,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:10,859 INFO L87 Difference]: Start difference. First operand has 30 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:32:10,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:10,938 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-11-21 17:32:10,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:32:10,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-21 17:32:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:10,950 INFO L225 Difference]: With dead ends: 43 [2022-11-21 17:32:10,950 INFO L226 Difference]: Without dead ends: 25 [2022-11-21 17:32:10,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:10,970 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:10,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:32:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-21 17:32:11,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-21 17:32:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.5) internal successors, (30), 24 states have internal predecessors, (30), 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 17:32:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2022-11-21 17:32:11,009 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 6 [2022-11-21 17:32:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:11,009 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2022-11-21 17:32:11,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:32:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 17:32:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 17:32:11,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:11,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:11,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:32:11,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-21 17:32:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:11,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1806905736, now seen corresponding path program 1 times [2022-11-21 17:32:11,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:11,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335668941] [2022-11-21 17:32:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:11,067 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 17:32:11,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:11,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335668941] [2022-11-21 17:32:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335668941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:11,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:11,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:32:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676595124] [2022-11-21 17:32:11,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:11,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:32:11,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:11,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:32:11,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:11,072 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:32:11,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:11,099 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2022-11-21 17:32:11,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:32:11,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-21 17:32:11,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:11,100 INFO L225 Difference]: With dead ends: 25 [2022-11-21 17:32:11,100 INFO L226 Difference]: Without dead ends: 22 [2022-11-21 17:32:11,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:11,103 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:11,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:32:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-21 17:32:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-21 17:32:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.35) internal successors, (27), 21 states have internal predecessors, (27), 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 17:32:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-21 17:32:11,109 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 7 [2022-11-21 17:32:11,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:11,110 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-21 17:32:11,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:32:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-21 17:32:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 17:32:11,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:11,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:11,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:32:11,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-21 17:32:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash 178705644, now seen corresponding path program 1 times [2022-11-21 17:32:11,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:11,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777529524] [2022-11-21 17:32:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:11,330 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 17:32:11,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:11,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777529524] [2022-11-21 17:32:11,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777529524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:11,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:11,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:32:11,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820479852] [2022-11-21 17:32:11,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:11,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:32:11,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:11,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:32:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:32:11,334 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 17:32:11,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:11,384 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2022-11-21 17:32:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:32:11,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 17:32:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:11,386 INFO L225 Difference]: With dead ends: 43 [2022-11-21 17:32:11,386 INFO L226 Difference]: Without dead ends: 33 [2022-11-21 17:32:11,386 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 17:32:11,388 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 13 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:11,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 69 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:32:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-21 17:32:11,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-11-21 17:32:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 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 17:32:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-11-21 17:32:11,396 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 8 [2022-11-21 17:32:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:11,396 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-21 17:32:11,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 17:32:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-21 17:32:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 17:32:11,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:11,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:11,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:32:11,398 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-21 17:32:11,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 703711149, now seen corresponding path program 1 times [2022-11-21 17:32:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:32:11,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314071513] [2022-11-21 17:32:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:32:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:11,510 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 17:32:11,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:32:11,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314071513] [2022-11-21 17:32:11,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314071513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:11,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:11,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:32:11,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249124916] [2022-11-21 17:32:11,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:11,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:32:11,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:32:11,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:32:11,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:11,517 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17:32:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:11,545 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-11-21 17:32:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:32:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-21 17:32:11,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:11,547 INFO L225 Difference]: With dead ends: 35 [2022-11-21 17:32:11,547 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:32:11,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:11,549 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:11,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 22 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:32:11,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:32:11,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:32:11,551 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 17:32:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:32:11,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2022-11-21 17:32:11,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:11,552 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:32:11,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17:32:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:32:11,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:32:11,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-21 17:32:11,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-21 17:32:11,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-21 17:32:11,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-21 17:32:11,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-21 17:32:11,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-21 17:32:11,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:32:11,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:32:11,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 586) no Hoare annotation was computed. [2022-11-21 17:32:11,649 INFO L895 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: (and (< 0 (+ 2147483649 |ULTIMATE.start_main_~base~0#1|)) (<= |ULTIMATE.start_main_~base~0#1| 1000000)) [2022-11-21 17:32:11,649 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:32:11,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 584) no Hoare annotation was computed. [2022-11-21 17:32:11,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:32:11,650 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 578) no Hoare annotation was computed. [2022-11-21 17:32:11,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2022-11-21 17:32:11,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:32:11,650 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2022-11-21 17:32:11,651 INFO L895 garLoopResultBuilder]: At program point L590-2(lines 579 595) the Hoare annotation is: (let ((.cse0 (+ 2147483649 |ULTIMATE.start_main_~base~0#1|))) (or (and (< 0 .cse0) (<= |ULTIMATE.start_main_~base~0#1| 1000000)) (and (not (<= .cse0 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~base~0#1| 2147483647)))) [2022-11-21 17:32:11,651 INFO L899 garLoopResultBuilder]: For program point L590-3(lines 590 594) no Hoare annotation was computed. [2022-11-21 17:32:11,651 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-11-21 17:32:11,651 INFO L899 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2022-11-21 17:32:11,651 INFO L899 garLoopResultBuilder]: For program point L586-2(line 586) no Hoare annotation was computed. [2022-11-21 17:32:11,651 INFO L899 garLoopResultBuilder]: For program point L586-4(lines 586 587) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 584) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2022-11-21 17:32:11,652 INFO L899 garLoopResultBuilder]: For program point L591-1(line 591) no Hoare annotation was computed. [2022-11-21 17:32:11,653 INFO L899 garLoopResultBuilder]: For program point L591-2(line 591) no Hoare annotation was computed. [2022-11-21 17:32:11,653 INFO L899 garLoopResultBuilder]: For program point L591-4(lines 591 592) no Hoare annotation was computed. [2022-11-21 17:32:11,653 INFO L899 garLoopResultBuilder]: For program point L591-6(lines 591 592) no Hoare annotation was computed. [2022-11-21 17:32:11,653 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 588) no Hoare annotation was computed. [2022-11-21 17:32:11,653 INFO L895 garLoopResultBuilder]: At program point L583-1(lines 582 589) the Hoare annotation is: (let ((.cse0 (+ 2147483649 |ULTIMATE.start_main_~base~0#1|))) (or (and (< 0 .cse0) (<= |ULTIMATE.start_main_~base~0#1| 1000000)) (and (not (<= .cse0 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#list~0#1.base|) |ULTIMATE.start_main_~#list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~base~0#1| 2147483647)))) [2022-11-21 17:32:11,654 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 595) no Hoare annotation was computed. [2022-11-21 17:32:11,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 586) no Hoare annotation was computed. [2022-11-21 17:32:11,654 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-11-21 17:32:11,654 INFO L899 garLoopResultBuilder]: For program point L584-1(line 584) no Hoare annotation was computed. [2022-11-21 17:32:11,658 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 17:32:11,667 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:32:11,681 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,688 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,694 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,694 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,697 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,697 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,699 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:32:11 BoogieIcfgContainer [2022-11-21 17:32:11,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:32:11,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:32:11,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:32:11,702 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:32:11,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:32:10" (3/4) ... [2022-11-21 17:32:11,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:32:11,719 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 17:32:11,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 17:32:11,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:32:11,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:32:11,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:32:11,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:32:11,760 INFO L158 Benchmark]: Toolchain (without parser) took 2375.24ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 104.6MB in the end (delta: 25.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,760 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:32:11,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.34ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 113.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.67ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 111.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,761 INFO L158 Benchmark]: Boogie Preprocessor took 48.25ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,762 INFO L158 Benchmark]: RCFGBuilder took 488.48ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 95.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,762 INFO L158 Benchmark]: TraceAbstraction took 1239.37ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 107.6MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:32:11,762 INFO L158 Benchmark]: Witness Printer took 57.25ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:32:11,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.34ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 113.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.67ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 111.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.25ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.48ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 95.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1239.37ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 107.6MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.25ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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: 584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 78 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 47 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2022-11-21 17:32:11,787 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,787 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,787 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,788 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (0 < 2147483649 + base && base <= 1000000) || (((!(2147483649 + base <= 0) && #memory_$Pointer$[list][list] == 0) && #memory_$Pointer$[list][list] == 0) && base <= 2147483647) - InvariantResult [Line: 579]: Loop Invariant [2022-11-21 17:32:11,789 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,790 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-21 17:32:11,791 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-21 17:32:11,791 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (0 < 2147483649 + base && base <= 1000000) || (((!(2147483649 + base <= 0) && #memory_$Pointer$[list][list] == 0) && #memory_$Pointer$[list][list] == 0) && base <= 2147483647) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 0 < 2147483649 + base && base <= 1000000 RESULT: Ultimate proved your program to be correct! [2022-11-21 17:32:11,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeb8beec-6e6e-41eb-b5e1-657eadf4bc02/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