./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init9_ground-1.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_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/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_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init9_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/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_991db344-1790-46e2-81f8-a9f32cd73af1/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 a2ffc42929e6643779522a313bb51bbe0e05198e9120e04b929ee1d97b6851bc --- 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 13:59:13,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:59:13,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:59:13,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:59:13,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:59:13,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:59:13,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:59:13,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:59:13,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:59:13,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:59:13,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:59:13,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:59:13,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:59:13,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:59:13,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:59:13,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:59:13,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:59:13,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:59:13,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:59:13,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:59:13,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:59:13,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:59:13,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:59:13,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:59:13,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:59:13,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:59:13,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:59:13,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:59:13,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:59:13,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:59:13,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:59:13,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:59:13,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:59:13,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:59:13,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:59:13,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:59:13,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:59:13,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:59:13,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:59:13,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:59:13,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:59:13,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 13:59:13,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:59:13,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:59:13,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:59:13,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:59:13,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:59:13,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:59:13,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:59:13,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:59:13,325 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:59:13,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:59:13,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:59:13,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:59:13,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:59:13,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:59:13,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:59:13,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:59:13,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:59:13,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:59:13,328 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 13:59:13,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:59:13,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:59:13,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:59:13,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:59:13,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:59:13,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:59:13,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:59:13,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:13,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:59:13,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:59:13,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:59:13,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:59:13,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:59:13,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:59:13,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:59:13,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:59:13,332 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_991db344-1790-46e2-81f8-a9f32cd73af1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2ffc42929e6643779522a313bb51bbe0e05198e9120e04b929ee1d97b6851bc [2022-11-21 13:59:13,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:59:13,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:59:13,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:59:13,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:59:13,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:59:13,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-examples/standard_init9_ground-1.i [2022-11-21 13:59:16,831 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:59:17,078 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:59:17,079 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/sv-benchmarks/c/array-examples/standard_init9_ground-1.i [2022-11-21 13:59:17,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/data/f55c387ee/6cb08a96d0eb45f39fb7b4c3e48b7e78/FLAG4f1c78407 [2022-11-21 13:59:17,125 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/data/f55c387ee/6cb08a96d0eb45f39fb7b4c3e48b7e78 [2022-11-21 13:59:17,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:59:17,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:59:17,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:59:17,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:59:17,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:59:17,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f899dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17, skipping insertion in model container [2022-11-21 13:59:17,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:59:17,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:59:17,321 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_991db344-1790-46e2-81f8-a9f32cd73af1/sv-benchmarks/c/array-examples/standard_init9_ground-1.i[816,829] [2022-11-21 13:59:17,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:59:17,351 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:59:17,365 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_991db344-1790-46e2-81f8-a9f32cd73af1/sv-benchmarks/c/array-examples/standard_init9_ground-1.i[816,829] [2022-11-21 13:59:17,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:59:17,392 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:59:17,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17 WrapperNode [2022-11-21 13:59:17,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:59:17,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:59:17,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:59:17,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:59:17,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,431 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-21 13:59:17,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:59:17,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:59:17,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:59:17,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:59:17,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:59:17,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:59:17,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:59:17,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:59:17,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (1/1) ... [2022-11-21 13:59:17,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:17,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:59:17,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:59:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:59:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:59:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:59:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:59:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:59:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:59:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:59:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:59:17,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:59:17,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:59:17,866 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:59:17,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:59:17,875 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-21 13:59:17,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:17 BoogieIcfgContainer [2022-11-21 13:59:17,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:59:17,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:59:17,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:59:17,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:59:17,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:59:17" (1/3) ... [2022-11-21 13:59:17,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6f5c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:59:17, skipping insertion in model container [2022-11-21 13:59:17,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:59:17" (2/3) ... [2022-11-21 13:59:17,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6f5c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:59:17, skipping insertion in model container [2022-11-21 13:59:17,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:17" (3/3) ... [2022-11-21 13:59:17,895 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init9_ground-1.i [2022-11-21 13:59:17,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:59:17,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-21 13:59:18,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:59:18,084 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;@75e4a7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:59:18,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-21 13:59:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 48 states have (on average 1.8541666666666667) internal successors, (89), 68 states have internal predecessors, (89), 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 13:59:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 13:59:18,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:18,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-21 13:59:18,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:18,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:18,103 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-21 13:59:18,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:18,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714440351] [2022-11-21 13:59:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:18,318 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 13:59:18,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:18,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714440351] [2022-11-21 13:59:18,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714440351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:18,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:18,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:18,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930679968] [2022-11-21 13:59:18,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:18,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:18,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:18,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:18,384 INFO L87 Difference]: Start difference. First operand has 69 states, 48 states have (on average 1.8541666666666667) internal successors, (89), 68 states have internal predecessors, (89), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:59:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:18,693 INFO L93 Difference]: Finished difference Result 160 states and 232 transitions. [2022-11-21 13:59:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:18,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-21 13:59:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:18,718 INFO L225 Difference]: With dead ends: 160 [2022-11-21 13:59:18,732 INFO L226 Difference]: Without dead ends: 91 [2022-11-21 13:59:18,735 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 13:59:18,741 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 17 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:18,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 66 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 13:59:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-21 13:59:18,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-21 13:59:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.408450704225352) internal successors, (100), 90 states have internal predecessors, (100), 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 13:59:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2022-11-21 13:59:18,791 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 4 [2022-11-21 13:59:18,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:18,792 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2022-11-21 13:59:18,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:59:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2022-11-21 13:59:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 13:59:18,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:18,793 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-21 13:59:18,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:59:18,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:18,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629419, now seen corresponding path program 1 times [2022-11-21 13:59:18,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:18,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718410584] [2022-11-21 13:59:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:18,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 13:59:18,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:18,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718410584] [2022-11-21 13:59:18,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718410584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:18,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:18,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:59:18,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706853650] [2022-11-21 13:59:18,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:18,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:59:18,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:18,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:59:18,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:59:18,861 INFO L87 Difference]: Start difference. First operand 91 states and 100 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 13:59:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:19,002 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2022-11-21 13:59:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:59:19,003 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 13:59:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:19,005 INFO L225 Difference]: With dead ends: 91 [2022-11-21 13:59:19,005 INFO L226 Difference]: Without dead ends: 82 [2022-11-21 13:59:19,005 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 13:59:19,007 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:19,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 38 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:59:19,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-21 13:59:19,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-21 13:59:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 81 states have internal predecessors, (91), 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 13:59:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2022-11-21 13:59:19,029 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 7 [2022-11-21 13:59:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:19,034 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2022-11-21 13:59:19,035 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 13:59:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2022-11-21 13:59:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 13:59:19,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:19,038 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-21 13:59:19,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:59:19,040 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:19,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:19,045 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2022-11-21 13:59:19,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:19,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016497499] [2022-11-21 13:59:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:59:19,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:19,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016497499] [2022-11-21 13:59:19,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016497499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:59:19,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868126697] [2022-11-21 13:59:19,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:19,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:19,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:59:19,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 13:59:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:19,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 13:59:19,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:59:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:59:19,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:59:19,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868126697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:19,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:59:19,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-21 13:59:19,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111171395] [2022-11-21 13:59:19,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:19,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:59:19,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:19,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:59:19,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:59:19,336 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) 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 13:59:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:19,481 INFO L93 Difference]: Finished difference Result 82 states and 91 transitions. [2022-11-21 13:59:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:59:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 13:59:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:19,483 INFO L225 Difference]: With dead ends: 82 [2022-11-21 13:59:19,483 INFO L226 Difference]: Without dead ends: 73 [2022-11-21 13:59:19,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 13:59:19,485 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 68 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:19,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 20 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:59:19,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-21 13:59:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2022-11-21 13:59:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 54 states have internal predecessors, (64), 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 13:59:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2022-11-21 13:59:19,496 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 8 [2022-11-21 13:59:19,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:19,497 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2022-11-21 13:59:19,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 13:59:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2022-11-21 13:59:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 13:59:19,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:19,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:19,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 13:59:19,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:19,705 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash -468561298, now seen corresponding path program 1 times [2022-11-21 13:59:19,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:19,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234342880] [2022-11-21 13:59:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 13:59:19,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:19,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234342880] [2022-11-21 13:59:19,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234342880] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:59:19,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479320345] [2022-11-21 13:59:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:19,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:59:19,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 13:59:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:20,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 13:59:20,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:59:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 13:59:20,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:59:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 13:59:20,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479320345] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:59:20,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 13:59:20,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-21 13:59:20,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156356364] [2022-11-21 13:59:20,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 13:59:20,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:59:20,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:20,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:59:20,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:59:20,069 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 13:59:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:20,366 INFO L93 Difference]: Finished difference Result 185 states and 229 transitions. [2022-11-21 13:59:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:59:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 52 [2022-11-21 13:59:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:20,373 INFO L225 Difference]: With dead ends: 185 [2022-11-21 13:59:20,374 INFO L226 Difference]: Without dead ends: 136 [2022-11-21 13:59:20,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:59:20,380 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 88 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:20,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 58 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 13:59:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-21 13:59:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-11-21 13:59:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 134 states have (on average 1.0820895522388059) internal successors, (145), 135 states have internal predecessors, (145), 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 13:59:20,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2022-11-21 13:59:20,415 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 52 [2022-11-21 13:59:20,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:20,416 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2022-11-21 13:59:20,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 13:59:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2022-11-21 13:59:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-21 13:59:20,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:20,423 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:20,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 13:59:20,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:20,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:20,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1443492745, now seen corresponding path program 2 times [2022-11-21 13:59:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:20,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145588623] [2022-11-21 13:59:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-21 13:59:21,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:21,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145588623] [2022-11-21 13:59:21,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145588623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:21,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:21,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 13:59:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683371666] [2022-11-21 13:59:21,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:21,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:59:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:21,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:59:21,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:59:21,035 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 13:59:21,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:21,070 INFO L93 Difference]: Finished difference Result 144 states and 153 transitions. [2022-11-21 13:59:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:59:21,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 133 [2022-11-21 13:59:21,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:21,075 INFO L225 Difference]: With dead ends: 144 [2022-11-21 13:59:21,075 INFO L226 Difference]: Without dead ends: 142 [2022-11-21 13:59:21,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 13:59:21,077 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 3 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 149 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 13:59:21,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 149 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:59:21,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-21 13:59:21,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-21 13:59:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.0785714285714285) internal successors, (151), 141 states have internal predecessors, (151), 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 13:59:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 151 transitions. [2022-11-21 13:59:21,101 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 151 transitions. Word has length 133 [2022-11-21 13:59:21,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:21,102 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 151 transitions. [2022-11-21 13:59:21,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 13:59:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2022-11-21 13:59:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-21 13:59:21,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:21,110 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:21,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:59:21,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 850074686, now seen corresponding path program 1 times [2022-11-21 13:59:21,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:21,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82266062] [2022-11-21 13:59:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:21,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-21 13:59:21,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:21,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82266062] [2022-11-21 13:59:21,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82266062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:21,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:59:21,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 13:59:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771887457] [2022-11-21 13:59:21,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:21,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:59:21,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:21,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:59:21,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:59:21,417 INFO L87 Difference]: Start difference. First operand 142 states and 151 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 13:59:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:21,441 INFO L93 Difference]: Finished difference Result 142 states and 151 transitions. [2022-11-21 13:59:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:59:21,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 139 [2022-11-21 13:59:21,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:21,446 INFO L225 Difference]: With dead ends: 142 [2022-11-21 13:59:21,447 INFO L226 Difference]: Without dead ends: 141 [2022-11-21 13:59:21,447 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 13:59:21,450 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:21,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 142 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:59:21,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-21 13:59:21,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-21 13:59:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.0714285714285714) internal successors, (150), 140 states have internal predecessors, (150), 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 13:59:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2022-11-21 13:59:21,478 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 139 [2022-11-21 13:59:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:21,481 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2022-11-21 13:59:21,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 13:59:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2022-11-21 13:59:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-21 13:59:21,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:21,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:21,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:59:21,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:21,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:21,490 INFO L85 PathProgramCache]: Analyzing trace with hash 582511698, now seen corresponding path program 1 times [2022-11-21 13:59:21,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:21,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736548041] [2022-11-21 13:59:21,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:21,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-21 13:59:21,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:21,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736548041] [2022-11-21 13:59:21,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736548041] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:59:21,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004568864] [2022-11-21 13:59:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:21,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:21,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:21,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:59:21,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 13:59:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 13:59:21,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:59:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-21 13:59:22,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:59:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-21 13:59:22,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004568864] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:59:22,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 13:59:22,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-21 13:59:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793552740] [2022-11-21 13:59:22,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 13:59:22,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 13:59:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 13:59:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:59:22,121 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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 13:59:22,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:22,708 INFO L93 Difference]: Finished difference Result 429 states and 500 transitions. [2022-11-21 13:59:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 13:59:22,709 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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 140 [2022-11-21 13:59:22,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:22,710 INFO L225 Difference]: With dead ends: 429 [2022-11-21 13:59:22,710 INFO L226 Difference]: Without dead ends: 303 [2022-11-21 13:59:22,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:59:22,715 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 436 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:22,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 45 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 13:59:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-21 13:59:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-11-21 13:59:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.033112582781457) internal successors, (312), 302 states have internal predecessors, (312), 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 13:59:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 312 transitions. [2022-11-21 13:59:22,731 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 312 transitions. Word has length 140 [2022-11-21 13:59:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:22,731 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 312 transitions. [2022-11-21 13:59:22,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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 13:59:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 312 transitions. [2022-11-21 13:59:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-21 13:59:22,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:22,747 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:22,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 13:59:22,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 13:59:22,954 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:22,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1400509006, now seen corresponding path program 2 times [2022-11-21 13:59:22,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:22,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027277260] [2022-11-21 13:59:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-11-21 13:59:23,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:23,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027277260] [2022-11-21 13:59:23,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027277260] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:59:23,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442671588] [2022-11-21 13:59:23,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 13:59:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:23,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:23,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:59:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 13:59:24,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 13:59:24,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 13:59:24,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 13:59:24,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:59:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-11-21 13:59:24,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:59:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-11-21 13:59:24,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442671588] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:59:24,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 13:59:24,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-21 13:59:24,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400589708] [2022-11-21 13:59:24,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 13:59:24,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-21 13:59:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-21 13:59:24,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-21 13:59:24,556 INFO L87 Difference]: Start difference. First operand 303 states and 312 transitions. Second operand has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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 13:59:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:25,903 INFO L93 Difference]: Finished difference Result 897 states and 1022 transitions. [2022-11-21 13:59:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 13:59:25,904 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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 302 [2022-11-21 13:59:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:25,906 INFO L225 Difference]: With dead ends: 897 [2022-11-21 13:59:25,906 INFO L226 Difference]: Without dead ends: 627 [2022-11-21 13:59:25,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-21 13:59:25,908 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 866 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:25,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 63 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 13:59:25,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-11-21 13:59:25,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2022-11-21 13:59:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 1.0159744408945688) internal successors, (636), 626 states have internal predecessors, (636), 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 13:59:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 636 transitions. [2022-11-21 13:59:25,960 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 636 transitions. Word has length 302 [2022-11-21 13:59:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:25,961 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 636 transitions. [2022-11-21 13:59:25,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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 13:59:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 636 transitions. [2022-11-21 13:59:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-21 13:59:25,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:59:25,981 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:59:25,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 13:59:26,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:26,189 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-21 13:59:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:59:26,189 INFO L85 PathProgramCache]: Analyzing trace with hash -253089678, now seen corresponding path program 3 times [2022-11-21 13:59:26,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:59:26,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021521792] [2022-11-21 13:59:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:59:26,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:59:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:59:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2022-11-21 13:59:29,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:59:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021521792] [2022-11-21 13:59:29,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021521792] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:59:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653382183] [2022-11-21 13:59:29,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 13:59:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:59:29,204 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:59:29,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 13:59:29,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-21 13:59:29,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 13:59:29,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 13:59:29,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:59:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6435 trivial. 0 not checked. [2022-11-21 13:59:29,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:59:29,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653382183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:59:29,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:59:29,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [25] total 27 [2022-11-21 13:59:29,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120314750] [2022-11-21 13:59:29,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:59:29,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:59:29,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:59:29,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:59:29,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2022-11-21 13:59:29,562 INFO L87 Difference]: Start difference. First operand 627 states and 636 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:59:29,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:59:29,601 INFO L93 Difference]: Finished difference Result 627 states and 636 transitions. [2022-11-21 13:59:29,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:59:29,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 626 [2022-11-21 13:59:29,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:59:29,603 INFO L225 Difference]: With dead ends: 627 [2022-11-21 13:59:29,603 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 13:59:29,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=448, Unknown=0, NotChecked=0, Total=756 [2022-11-21 13:59:29,607 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:59:29,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 142 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:59:29,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 13:59:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 13:59:29,608 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 13:59:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 13:59:29,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 626 [2022-11-21 13:59:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:59:29,609 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 13:59:29,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:59:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 13:59:29,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 13:59:29,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-21 13:59:29,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-21 13:59:29,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-21 13:59:29,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-21 13:59:29,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-21 13:59:29,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-21 13:59:29,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-21 13:59:29,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-21 13:59:29,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-21 13:59:29,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-21 13:59:29,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-21 13:59:29,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-21 13:59:29,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-21 13:59:29,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-21 13:59:29,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-21 13:59:29,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-21 13:59:29,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-21 13:59:29,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-21 13:59:29,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-21 13:59:29,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-21 13:59:29,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 13:59:29,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:59:29,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 13:59:30,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 13:59:30,002 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,003 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 30) no Hoare annotation was computed. [2022-11-21 13:59:30,003 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-21 13:59:30,003 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-21 13:59:30,003 INFO L895 garLoopResultBuilder]: At program point L52-2(lines 52 55) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,003 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 52 55) no Hoare annotation was computed. [2022-11-21 13:59:30,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 13:59:30,004 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-21 13:59:30,004 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-11-21 13:59:30,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-21 13:59:30,005 INFO L895 garLoopResultBuilder]: At program point L37-2(lines 37 40) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,005 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 40) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 62 64) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L62-3(line 62) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L62-4(line 62) no Hoare annotation was computed. [2022-11-21 13:59:30,006 INFO L895 garLoopResultBuilder]: At program point L62-5(lines 62 64) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2022-11-21 13:59:30,006 INFO L899 garLoopResultBuilder]: For program point L62-6(lines 62 64) no Hoare annotation was computed. [2022-11-21 13:59:30,007 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 13:59:30,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-21 13:59:30,007 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-21 13:59:30,007 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-21 13:59:30,008 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-21 13:59:30,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-21 13:59:30,008 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-11-21 13:59:30,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2022-11-21 13:59:30,008 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,009 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed. [2022-11-21 13:59:30,010 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 50) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,010 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 50) no Hoare annotation was computed. [2022-11-21 13:59:30,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-21 13:59:30,010 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-21 13:59:30,010 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-21 13:59:30,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2022-11-21 13:59:30,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-21 13:59:30,011 INFO L902 garLoopResultBuilder]: At program point L65(lines 14 66) the Hoare annotation is: true [2022-11-21 13:59:30,012 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 13:59:30,012 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 13:59:30,012 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 35) no Hoare annotation was computed. [2022-11-21 13:59:30,012 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-21 13:59:30,012 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-21 13:59:30,012 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 60) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 60) no Hoare annotation was computed. [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 13:59:30,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-21 13:59:30,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-21 13:59:30,014 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,014 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 20) no Hoare annotation was computed. [2022-11-21 13:59:30,014 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 45) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 13:59:30,014 INFO L899 garLoopResultBuilder]: For program point L42-3(lines 42 45) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 13:59:30,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-21 13:59:30,019 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-11-21 13:59:30,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:59:30,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:59:30 BoogieIcfgContainer [2022-11-21 13:59:30,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:59:30,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:59:30,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:59:30,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:59:30,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:59:17" (3/4) ... [2022-11-21 13:59:30,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 13:59:30,055 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 13:59:30,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 13:59:30,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 13:59:30,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 13:59:30,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:59:30,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:59:30,116 INFO L158 Benchmark]: Toolchain (without parser) took 12986.59ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 151.4MB in the beginning and 166.9MB in the end (delta: -15.5MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,116 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 101.1MB in the end (delta: 87.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:59:30,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.82ms. Allocated memory is still 178.3MB. Free memory was 151.2MB in the beginning and 144.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.16ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,117 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:59:30,118 INFO L158 Benchmark]: RCFGBuilder took 413.47ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 126.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,119 INFO L158 Benchmark]: TraceAbstraction took 12158.42ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 126.1MB in the beginning and 170.0MB in the end (delta: -43.9MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,120 INFO L158 Benchmark]: Witness Printer took 75.75ms. Allocated memory is still 310.4MB. Free memory was 170.0MB in the beginning and 166.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:59:30,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 101.1MB in the end (delta: 87.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.82ms. Allocated memory is still 178.3MB. Free memory was 151.2MB in the beginning and 144.3MB in the end (delta: 6.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.16ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.47ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 126.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12158.42ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 126.1MB in the beginning and 170.0MB in the end (delta: -43.9MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. * Witness Printer took 75.75ms. Allocated memory is still 310.4MB. Free memory was 170.0MB in the beginning and 166.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: 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, 69 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1511 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1511 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 962 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1365 IncrementalHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 962 mSolverCounterUnsat, 329 mSDtfsCounter, 1365 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1680 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=627occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 220 NumberOfFragments, 73 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1583 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2539 NumberOfCodeBlocks, 1972 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3016 ConstructedInterpolants, 0 QuantifiedInterpolants, 3510 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1691 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 16641/17863 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 20 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 <= i && 0 <= x + 2147483648 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 13:59:30,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991db344-1790-46e2-81f8-a9f32cd73af1/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