./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8 --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 d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff --- 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-2329fc7 [2022-12-13 12:52:00,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:52:00,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:52:00,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:52:00,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:52:00,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:52:00,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:52:00,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:52:00,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:52:00,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:52:00,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:52:00,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:52:00,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:52:00,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:52:00,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:52:00,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:52:00,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:52:00,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:52:00,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:52:00,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:52:00,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:52:00,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:52:00,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:52:00,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:52:00,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:52:00,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:52:00,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:52:00,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:52:00,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:52:00,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:52:00,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:52:00,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:52:00,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:52:00,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:52:00,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:52:00,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:52:00,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:52:00,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:52:00,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:52:00,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:52:00,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:52:00,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:52:00,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:52:00,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:52:00,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:52:00,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:52:00,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:52:00,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:52:00,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:52:00,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:52:00,234 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:52:00,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:52:00,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:52:00,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:52:00,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:52:00,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:52:00,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:52:00,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:52:00,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:52:00,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:52:00,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:52:00,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:52:00,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:52:00,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:52:00,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:52:00,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:52:00,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:52:00,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:52:00,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:52:00,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:52:00,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:52:00,249 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:52:00,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:52:00,249 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:52:00,249 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff [2022-12-13 12:52:00,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:52:00,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:52:00,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:52:00,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:52:00,436 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:52:00,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-regression/test22-3.c [2022-12-13 12:52:02,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:52:03,114 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:52:03,115 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/sv-benchmarks/c/ldv-regression/test22-3.c [2022-12-13 12:52:03,120 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/data/b3a0509ed/61cc5ea66926414bad2d00249b5c756d/FLAG1ee80499d [2022-12-13 12:52:03,134 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/data/b3a0509ed/61cc5ea66926414bad2d00249b5c756d [2022-12-13 12:52:03,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:52:03,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:52:03,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:52:03,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:52:03,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:52:03,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbde0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03, skipping insertion in model container [2022-12-13 12:52:03,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:52:03,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:52:03,282 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_20e2b2c8-7891-4556-b763-dd3371ea9f84/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2022-12-13 12:52:03,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:52:03,289 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:52:03,302 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_20e2b2c8-7891-4556-b763-dd3371ea9f84/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2022-12-13 12:52:03,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:52:03,312 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:52:03,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03 WrapperNode [2022-12-13 12:52:03,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:52:03,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:52:03,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:52:03,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:52:03,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,337 INFO L138 Inliner]: procedures = 17, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-12-13 12:52:03,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:52:03,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:52:03,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:52:03,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:52:03,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:52:03,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:52:03,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:52:03,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:52:03,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (1/1) ... [2022-12-13 12:52:03,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:52:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:52:03,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:52:03,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:52:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2022-12-13 12:52:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2022-12-13 12:52:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:52:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:52:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:52:03,461 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:52:03,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:52:03,586 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:52:03,590 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:52:03,590 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:52:03,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:52:03 BoogieIcfgContainer [2022-12-13 12:52:03,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:52:03,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:52:03,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:52:03,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:52:03,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:52:03" (1/3) ... [2022-12-13 12:52:03,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5587edc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:52:03, skipping insertion in model container [2022-12-13 12:52:03,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:52:03" (2/3) ... [2022-12-13 12:52:03,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5587edc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:52:03, skipping insertion in model container [2022-12-13 12:52:03,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:52:03" (3/3) ... [2022-12-13 12:52:03,598 INFO L112 eAbstractionObserver]: Analyzing ICFG test22-3.c [2022-12-13 12:52:03,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:52:03,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 12:52:03,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:52:03,650 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;@384f7b87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:52:03,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 12:52:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 32 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 12:52:03,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:03,660 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:52:03,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1615544637, now seen corresponding path program 1 times [2022-12-13 12:52:03,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:03,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450625426] [2022-12-13 12:52:03,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:03,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 12:52:03,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:03,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450625426] [2022-12-13 12:52:03,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450625426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:03,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:03,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:52:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510211607] [2022-12-13 12:52:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:03,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:52:03,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:03,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:52:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:52:03,896 INFO L87 Difference]: Start difference. First operand has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 32 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:03,916 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-12-13 12:52:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:52:03,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-12-13 12:52:03,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:03,923 INFO L225 Difference]: With dead ends: 77 [2022-12-13 12:52:03,923 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 12:52:03,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:52:03,927 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:03,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:52:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 12:52:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 12:52:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-12-13 12:52:03,959 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 33 [2022-12-13 12:52:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:03,959 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-12-13 12:52:03,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-12-13 12:52:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 12:52:03,962 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:03,962 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:52:03,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:52:03,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:03,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:03,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1196309697, now seen corresponding path program 1 times [2022-12-13 12:52:03,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:03,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011711227] [2022-12-13 12:52:03,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:03,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 12:52:04,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:04,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011711227] [2022-12-13 12:52:04,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011711227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:04,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:04,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 12:52:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108368546] [2022-12-13 12:52:04,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:04,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 12:52:04,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:04,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 12:52:04,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:52:04,715 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 13 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-13 12:52:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:04,980 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-12-13 12:52:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:52:04,980 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 33 [2022-12-13 12:52:04,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:04,981 INFO L225 Difference]: With dead ends: 36 [2022-12-13 12:52:04,981 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 12:52:04,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2022-12-13 12:52:04,983 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 39 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:04,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 153 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:52:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 12:52:04,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 12:52:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-12-13 12:52:04,989 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 33 [2022-12-13 12:52:04,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:04,990 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-12-13 12:52:04,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-13 12:52:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-12-13 12:52:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 12:52:04,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:04,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-13 12:52:04,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:52:04,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:04,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:04,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1569104998, now seen corresponding path program 1 times [2022-12-13 12:52:04,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:04,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521554040] [2022-12-13 12:52:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:04,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 12:52:05,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521554040] [2022-12-13 12:52:05,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521554040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:05,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:05,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 12:52:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71147742] [2022-12-13 12:52:05,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:05,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 12:52:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:05,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 12:52:05,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:52:05,267 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:05,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:05,364 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2022-12-13 12:52:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:52:05,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2022-12-13 12:52:05,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:05,365 INFO L225 Difference]: With dead ends: 35 [2022-12-13 12:52:05,365 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 12:52:05,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:52:05,366 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:05,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 85 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:52:05,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 12:52:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-13 12:52:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-12-13 12:52:05,372 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 34 [2022-12-13 12:52:05,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:05,372 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-12-13 12:52:05,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-12-13 12:52:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 12:52:05,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:05,374 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2022-12-13 12:52:05,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:52:05,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:05,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:05,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1217117960, now seen corresponding path program 1 times [2022-12-13 12:52:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:05,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775007739] [2022-12-13 12:52:05,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 12:52:05,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:05,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775007739] [2022-12-13 12:52:05,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775007739] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:05,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:05,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:52:05,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712720868] [2022-12-13 12:52:05,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:05,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:52:05,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:05,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:52:05,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:52:05,423 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 12:52:05,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:05,443 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-12-13 12:52:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:52:05,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 37 [2022-12-13 12:52:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:05,444 INFO L225 Difference]: With dead ends: 34 [2022-12-13 12:52:05,444 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 12:52:05,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:52:05,445 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:05,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 74 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:52:05,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 12:52:05,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 12:52:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-12-13 12:52:05,450 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 37 [2022-12-13 12:52:05,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:05,450 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-12-13 12:52:05,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 12:52:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-12-13 12:52:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 12:52:05,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:05,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2022-12-13 12:52:05,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:52:05,452 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:05,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash -924048831, now seen corresponding path program 1 times [2022-12-13 12:52:05,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:05,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959902527] [2022-12-13 12:52:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 12:52:05,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:05,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959902527] [2022-12-13 12:52:05,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959902527] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:52:05,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349712476] [2022-12-13 12:52:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:05,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:52:05,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:52:05,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:52:05,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:52:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:06,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 12:52:06,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:52:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 12:52:06,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-13 12:52:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 12:52:06,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2022-12-13 12:52:06,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 12:52:06,708 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 12:52:06,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 26 [2022-12-13 12:52:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 12:52:06,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:52:06,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349712476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:06,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:52:06,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 22 [2022-12-13 12:52:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478246917] [2022-12-13 12:52:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:06,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 12:52:06,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:06,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 12:52:06,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-12-13 12:52:06,773 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:07,017 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-12-13 12:52:07,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:52:07,018 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2022-12-13 12:52:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:07,019 INFO L225 Difference]: With dead ends: 38 [2022-12-13 12:52:07,019 INFO L226 Difference]: Without dead ends: 37 [2022-12-13 12:52:07,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2022-12-13 12:52:07,020 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 45 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:07,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 89 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:52:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-13 12:52:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-13 12:52:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:52:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-12-13 12:52:07,029 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 38 [2022-12-13 12:52:07,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:07,029 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-12-13 12:52:07,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 12:52:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-13 12:52:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:52:07,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:07,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1] [2022-12-13 12:52:07,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:52:07,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:52:07,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 12:52:07,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:07,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1438465384, now seen corresponding path program 1 times [2022-12-13 12:52:07,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:07,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517424541] [2022-12-13 12:52:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:52:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 12:52:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:52:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:52:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 12:52:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:07,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517424541] [2022-12-13 12:52:07,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517424541] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:52:07,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168982910] [2022-12-13 12:52:07,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:07,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:52:07,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:52:07,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:52:07,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:52:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:07,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 12:52:07,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:52:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 12:52:07,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-12-13 12:52:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 12:52:07,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2022-12-13 12:52:08,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 12:52:08,284 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 12:52:08,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 26 [2022-12-13 12:52:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 12:52:08,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:52:08,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168982910] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:52:08,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:52:08,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 24 [2022-12-13 12:52:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126693133] [2022-12-13 12:52:08,638 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:52:08,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 12:52:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:08,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 12:52:08,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=882, Unknown=0, NotChecked=0, Total=992 [2022-12-13 12:52:08,640 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 25 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 6 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) [2022-12-13 12:52:09,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:09,592 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-12-13 12:52:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 12:52:09,593 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 6 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) Word has length 42 [2022-12-13 12:52:09,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:09,593 INFO L225 Difference]: With dead ends: 43 [2022-12-13 12:52:09,593 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:52:09,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=401, Invalid=1579, Unknown=0, NotChecked=0, Total=1980 [2022-12-13 12:52:09,596 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 141 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:09,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 142 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:52:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:52:09,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:52:09,597 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) [2022-12-13 12:52:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:52:09,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-12-13 12:52:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:09,597 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:52:09,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 6 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (10), 8 states have call predecessors, (10), 6 states have call successors, (10) [2022-12-13 12:52:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:52:09,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:52:09,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 12:52:09,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 12:52:09,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 12:52:09,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 12:52:09,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:52:09,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 12:52:09,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:52:10,093 INFO L899 garLoopResultBuilder]: For program point get_dummyFINAL(lines 28 31) no Hoare annotation was computed. [2022-12-13 12:52:10,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 28 31) the Hoare annotation is: true [2022-12-13 12:52:10,093 INFO L899 garLoopResultBuilder]: For program point get_dummyEXIT(lines 28 31) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 38 58) the Hoare annotation is: true [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 51) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|)) (.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (<= 0 (+ 2147483638 .cse0)) (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= .cse1 2147483647) (<= 0 (+ .cse1 2147483638)) (= 5 |~#d2~0.base|) (<= .cse0 2147483647) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L895 garLoopResultBuilder]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|)) (.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (<= 0 (+ 2147483638 .cse0)) (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= .cse1 2147483647) (<= 0 (+ .cse1 2147483638)) (= 5 |~#d2~0.base|) (or (and (= |~#d2~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d2~0.base| |ULTIMATE.start_main_~pd1~0#1.base|)) (and (= |~#d1~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d1~0.base| |ULTIMATE.start_main_~pd1~0#1.base|))) (<= .cse0 2147483647) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-12-13 12:52:10,094 INFO L895 garLoopResultBuilder]: At program point L41-4(line 41) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|)) (.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (<= 0 (+ 2147483638 .cse0)) (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= .cse1 2147483647) (<= 0 (+ .cse1 2147483638)) (= 5 |~#d2~0.base|) (or (and (= |~#d2~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d2~0.base| |ULTIMATE.start_main_~pd1~0#1.base|)) (and (= |~#d1~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d1~0.base| |ULTIMATE.start_main_~pd1~0#1.base|))) (<= .cse0 2147483647) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,094 INFO L899 garLoopResultBuilder]: For program point L41-5(line 41) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|)) (.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (<= 0 (+ 2147483638 .cse0)) (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= .cse1 2147483647) (= 5 |~#d2~0.base|) (<= |ULTIMATE.start_init_#t~mem9#1| .cse1) (<= .cse0 2147483647) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L895 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|) 2147483647) (= 5 |~#d2~0.base|) (<= .cse0 2147483647) (<= |ULTIMATE.start_init_#t~mem6#1| .cse0) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 26) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L902 garLoopResultBuilder]: At program point check_returnLabel#1(lines 33 36) the Hoare annotation is: true [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 48) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L895 garLoopResultBuilder]: At program point L46-3(lines 46 48) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#d1~0.base|) |~#d1~0.offset|))) (and (<= 0 (+ 2147483638 .cse0)) (= |~#d2~0.offset| |~#d1~0.offset|) (= |~#d1~0.base| 4) (<= 0 (+ (select (select |#memory_int| |~#d2~0.base|) |~#d2~0.offset|) 2147483638)) (= 5 |~#d2~0.base|) (or (and (= |~#d2~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d2~0.base| |ULTIMATE.start_main_~pd1~0#1.base|)) (and (= |~#d1~0.offset| |ULTIMATE.start_main_~pd1~0#1.offset|) (= |~#d1~0.base| |ULTIMATE.start_main_~pd1~0#1.base|))) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= .cse0 2147483647) (<= (select (select |#memory_int| 5) 0) 2147483647) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 2147483647) (let ((.cse1 (= |ULTIMATE.start_main_~pd3~0#1.offset| 0))) (or (and (= 4 |ULTIMATE.start_main_~pd3~0#1.base|) .cse1) (and (= 5 |ULTIMATE.start_main_~pd3~0#1.base|) .cse1))) (= |~#d1~0.offset| 0))) [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L46-4(lines 46 48) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-12-13 12:52:10,095 INFO L902 garLoopResultBuilder]: At program point main_ERROR#1(lines 39 58) the Hoare annotation is: true [2022-12-13 12:52:10,095 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 52) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L43-4(lines 43 52) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2022-12-13 12:52:10,096 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2022-12-13 12:52:10,098 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 12:52:10,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:52:10,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:52:10 BoogieIcfgContainer [2022-12-13 12:52:10,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:52:10,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:52:10,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:52:10,110 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:52:10,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:52:03" (3/4) ... [2022-12-13 12:52:10,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:52:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2022-12-13 12:52:10,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 12:52:10,120 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 12:52:10,120 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 12:52:10,120 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:52:10,120 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:52:10,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:52:10,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:52:10,144 INFO L158 Benchmark]: Toolchain (without parser) took 7007.05ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 92.9MB in the beginning and 110.4MB in the end (delta: -17.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-12-13 12:52:10,145 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:52:10,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.27ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:52:10,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.56ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:52:10,146 INFO L158 Benchmark]: Boogie Preprocessor took 16.87ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:52:10,146 INFO L158 Benchmark]: RCFGBuilder took 236.10ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 66.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:52:10,146 INFO L158 Benchmark]: TraceAbstraction took 6516.43ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 65.7MB in the beginning and 113.5MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:52:10,146 INFO L158 Benchmark]: Witness Printer took 33.79ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 110.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:52:10,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.27ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.56ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.87ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.10ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 66.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6516.43ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 65.7MB in the beginning and 113.5MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.79ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 110.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: 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 3 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 588 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 428 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 566 IncrementalHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 160 mSDtfsCounter, 566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 18 PreInvPairs, 29 NumberOfFragments, 334 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 704 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 3177 SizeOfPredicates, 14 NumberOfNonLiveVariables, 339 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 97/112 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 4 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((0 <= 2147483638 + unknown-#memory_int-unknown[d1][d1] && d2 == d1) && d1 == 4) && 0 <= unknown-#memory_int-unknown[d2][d2] + 2147483638) && 5 == d2) && ((d2 == pd1 && d2 == pd1) || (d1 == pd1 && d1 == pd1))) && 0 <= i + 2147483648) && unknown-#memory_int-unknown[d1][d1] <= 2147483647) && unknown-#memory_int-unknown[5][0] <= 2147483647) && unknown-#memory_int-unknown[pa][pa] <= 2147483647) && ((4 == pd3 && pd3 == 0) || (5 == pd3 && pd3 == 0))) && d1 == 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:52:10,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e2b2c8-7891-4556-b763-dd3371ea9f84/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE