./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:33:14,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:33:14,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:33:14,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:33:14,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:33:14,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:33:14,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:33:14,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:33:14,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:33:14,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:33:14,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:33:14,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:33:14,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:33:14,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:33:14,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:33:14,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:33:14,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:33:14,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:33:14,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:33:14,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:33:14,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:33:14,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:33:14,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:33:14,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:33:14,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:33:14,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:33:14,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:33:14,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:33:14,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:33:14,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:33:14,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:33:14,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:33:14,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:33:14,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:33:14,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:33:14,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:33:14,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:33:14,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:33:14,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:33:14,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:33:14,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:33:14,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-13 02:33:14,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:33:14,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:33:14,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:33:14,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:33:14,312 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:33:14,312 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:33:14,312 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:33:14,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:33:14,319 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:33:14,319 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:33:14,319 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:33:14,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:33:14,320 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:33:14,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:33:14,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:33:14,322 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:33:14,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:33:14,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:33:14,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:33:14,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:33:14,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:33:14,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:33:14,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:33:14,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:33:14,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:33:14,324 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 02:33:14,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:33:14,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:33:14,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:33:14,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:33:14,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:33:14,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:33:14,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:33:14,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:33:14,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:33:14,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:33:14,329 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:33:14,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:33:14,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:33:14,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:33:14,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:33:14,330 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2021-11-13 02:33:14,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:33:14,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:33:14,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:33:14,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:33:14,661 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:33:14,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-13 02:33:14,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/data/3a7ac4d12/549b6e1987f84337a09f35575d30648a/FLAG7bd1067c7 [2021-11-13 02:33:15,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:33:15,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-13 02:33:15,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/data/3a7ac4d12/549b6e1987f84337a09f35575d30648a/FLAG7bd1067c7 [2021-11-13 02:33:15,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/data/3a7ac4d12/549b6e1987f84337a09f35575d30648a [2021-11-13 02:33:15,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:33:15,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:33:15,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:15,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:33:15,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:33:15,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:15" (1/1) ... [2021-11-13 02:33:15,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbee2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:15, skipping insertion in model container [2021-11-13 02:33:15,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:15" (1/1) ... [2021-11-13 02:33:15,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:33:15,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:33:16,032 WARN L228 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_35c78cfe-8d27-4aed-841e-8432a85d235f/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-13 02:33:16,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:16,045 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:33:16,162 WARN L228 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_35c78cfe-8d27-4aed-841e-8432a85d235f/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-13 02:33:16,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:33:16,189 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:33:16,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16 WrapperNode [2021-11-13 02:33:16,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:33:16,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:33:16,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:33:16,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:33:16,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:33:16,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:33:16,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:33:16,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:33:16,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:33:16,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:33:16,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:33:16,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:33:16,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (1/1) ... [2021-11-13 02:33:16,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:33:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:33:16,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:33:16,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:33:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:33:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:33:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:33:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:33:17,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:33:17,619 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 02:33:17,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:17 BoogieIcfgContainer [2021-11-13 02:33:17,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:33:17,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:33:17,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:33:17,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:33:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:15" (1/3) ... [2021-11-13 02:33:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32579dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:17, skipping insertion in model container [2021-11-13 02:33:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:16" (2/3) ... [2021-11-13 02:33:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32579dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:17, skipping insertion in model container [2021-11-13 02:33:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:17" (3/3) ... [2021-11-13 02:33:17,637 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-11-13 02:33:17,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:33:17,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-13 02:33:17,705 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:33:17,713 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:33:17,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-13 02:33:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 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) [2021-11-13 02:33:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:33:17,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:17,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:17,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash -732953023, now seen corresponding path program 1 times [2021-11-13 02:33:17,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:17,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995856129] [2021-11-13 02:33:17,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:17,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:17,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:17,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995856129] [2021-11-13 02:33:17,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995856129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:17,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:17,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:33:17,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174896062] [2021-11-13 02:33:17,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:17,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:17,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:18,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:18,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:18,008 INFO L87 Difference]: Start difference. First operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:33:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:18,218 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2021-11-13 02:33:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:18,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 02:33:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:18,240 INFO L225 Difference]: With dead ends: 386 [2021-11-13 02:33:18,240 INFO L226 Difference]: Without dead ends: 165 [2021-11-13 02:33:18,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:18,253 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 4 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.19ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:18,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 525 Invalid, 49 Unknown, 0 Unchecked, 7.58ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 135.19ms Time] [2021-11-13 02:33:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-13 02:33:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-13 02:33:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.6910569105691058) internal successors, (208), 164 states have internal predecessors, (208), 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) [2021-11-13 02:33:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2021-11-13 02:33:18,309 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2021-11-13 02:33:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:18,310 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2021-11-13 02:33:18,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:33:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2021-11-13 02:33:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 02:33:18,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:18,312 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:18,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:33:18,313 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:18,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:18,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1106630647, now seen corresponding path program 1 times [2021-11-13 02:33:18,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:18,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710278755] [2021-11-13 02:33:18,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:18,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:18,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:18,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710278755] [2021-11-13 02:33:18,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710278755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:18,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:18,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:33:18,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698044095] [2021-11-13 02:33:18,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:18,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:18,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:18,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:18,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:18,561 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:33:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:18,744 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions. [2021-11-13 02:33:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-13 02:33:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:18,753 INFO L225 Difference]: With dead ends: 320 [2021-11-13 02:33:18,754 INFO L226 Difference]: Without dead ends: 260 [2021-11-13 02:33:18,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:18,764 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 151 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.63ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.24ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:18,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 321 Invalid, 123 Unknown, 0 Unchecked, 7.63ms Time], IncrementalHoareTripleChecker [36 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 156.24ms Time] [2021-11-13 02:33:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-13 02:33:18,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 251. [2021-11-13 02:33:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 209 states have (on average 1.6267942583732058) internal successors, (340), 250 states have internal predecessors, (340), 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) [2021-11-13 02:33:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2021-11-13 02:33:18,805 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 14 [2021-11-13 02:33:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:18,806 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2021-11-13 02:33:18,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:33:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2021-11-13 02:33:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 02:33:18,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:18,814 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:18,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:33:18,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:18,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:18,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1993942009, now seen corresponding path program 1 times [2021-11-13 02:33:18,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:18,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518975260] [2021-11-13 02:33:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:18,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:18,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:18,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518975260] [2021-11-13 02:33:18,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518975260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:18,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:18,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:33:18,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458416859] [2021-11-13 02:33:18,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:18,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:18,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:18,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:18,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:18,904 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-13 02:33:18,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:18,989 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2021-11-13 02:33:18,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:18,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-13 02:33:18,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:18,993 INFO L225 Difference]: With dead ends: 354 [2021-11-13 02:33:18,994 INFO L226 Difference]: Without dead ends: 346 [2021-11-13 02:33:18,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,005 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 123 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.93ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.69ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:19,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 375 Invalid, 48 Unknown, 0 Unchecked, 5.93ms Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 68.69ms Time] [2021-11-13 02:33:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-13 02:33:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2021-11-13 02:33:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 299 states have (on average 1.5785953177257526) internal successors, (472), 340 states have internal predecessors, (472), 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) [2021-11-13 02:33:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2021-11-13 02:33:19,057 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2021-11-13 02:33:19,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:19,058 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2021-11-13 02:33:19,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-13 02:33:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2021-11-13 02:33:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 02:33:19,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:19,063 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:19,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 02:33:19,064 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:19,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1428786505, now seen corresponding path program 1 times [2021-11-13 02:33:19,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:19,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916054102] [2021-11-13 02:33:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:19,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:33:19,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:19,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916054102] [2021-11-13 02:33:19,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916054102] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:19,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:19,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:33:19,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241342090] [2021-11-13 02:33:19,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:19,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:19,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:19,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,211 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-13 02:33:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:19,264 INFO L93 Difference]: Finished difference Result 704 states and 984 transitions. [2021-11-13 02:33:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:19,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 02:33:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:19,270 INFO L225 Difference]: With dead ends: 704 [2021-11-13 02:33:19,270 INFO L226 Difference]: Without dead ends: 365 [2021-11-13 02:33:19,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,282 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 119 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:19,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 273 Invalid, 32 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 37.54ms Time] [2021-11-13 02:33:19,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-11-13 02:33:19,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-11-13 02:33:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 323 states have (on average 1.563467492260062) internal successors, (505), 364 states have internal predecessors, (505), 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) [2021-11-13 02:33:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2021-11-13 02:33:19,313 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 24 [2021-11-13 02:33:19,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:19,313 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2021-11-13 02:33:19,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-13 02:33:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2021-11-13 02:33:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 02:33:19,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:19,322 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:19,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 02:33:19,323 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:19,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:19,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1183212724, now seen corresponding path program 1 times [2021-11-13 02:33:19,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:19,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442289523] [2021-11-13 02:33:19,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:19,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 02:33:19,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:19,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442289523] [2021-11-13 02:33:19,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442289523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:19,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:19,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:33:19,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537121576] [2021-11-13 02:33:19,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:19,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:19,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:19,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:19,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,428 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-13 02:33:19,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:19,531 INFO L93 Difference]: Finished difference Result 366 states and 506 transitions. [2021-11-13 02:33:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:19,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-13 02:33:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:19,535 INFO L225 Difference]: With dead ends: 366 [2021-11-13 02:33:19,535 INFO L226 Difference]: Without dead ends: 349 [2021-11-13 02:33:19,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,537 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 165 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.57ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.60ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:19,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 152 Invalid, 66 Unknown, 0 Unchecked, 1.57ms Time], IncrementalHoareTripleChecker [20 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 91.60ms Time] [2021-11-13 02:33:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2021-11-13 02:33:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 348. [2021-11-13 02:33:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 323 states have (on average 1.5108359133126934) internal successors, (488), 347 states have internal predecessors, (488), 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) [2021-11-13 02:33:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 488 transitions. [2021-11-13 02:33:19,563 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 488 transitions. Word has length 27 [2021-11-13 02:33:19,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:19,564 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 488 transitions. [2021-11-13 02:33:19,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-13 02:33:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 488 transitions. [2021-11-13 02:33:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 02:33:19,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:19,567 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:19,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 02:33:19,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:19,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:19,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1975112562, now seen corresponding path program 1 times [2021-11-13 02:33:19,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:19,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305465231] [2021-11-13 02:33:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:19,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 02:33:19,639 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:19,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305465231] [2021-11-13 02:33:19,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305465231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:19,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:19,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:33:19,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446678963] [2021-11-13 02:33:19,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:19,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:33:19,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:33:19,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,645 INFO L87 Difference]: Start difference. First operand 348 states and 488 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-13 02:33:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:19,674 INFO L93 Difference]: Finished difference Result 697 states and 977 transitions. [2021-11-13 02:33:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:19,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-13 02:33:19,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:19,678 INFO L225 Difference]: With dead ends: 697 [2021-11-13 02:33:19,678 INFO L226 Difference]: Without dead ends: 348 [2021-11-13 02:33:19,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:33:19,681 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.71ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:19,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 8 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 12.71ms Time] [2021-11-13 02:33:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-13 02:33:19,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2021-11-13 02:33:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 323 states have (on average 1.501547987616099) internal successors, (485), 347 states have internal predecessors, (485), 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) [2021-11-13 02:33:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2021-11-13 02:33:19,702 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 28 [2021-11-13 02:33:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:19,703 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2021-11-13 02:33:19,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-13 02:33:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2021-11-13 02:33:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 02:33:19,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:19,705 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:19,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 02:33:19,705 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1975110896, now seen corresponding path program 1 times [2021-11-13 02:33:19,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:19,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65926815] [2021-11-13 02:33:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:19,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:19,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:19,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65926815] [2021-11-13 02:33:19,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65926815] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:33:19,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195967060] [2021-11-13 02:33:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:19,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:33:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:33:19,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:33:19,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:33:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:19,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:33:19,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:20,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:20,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195967060] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:33:20,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:33:20,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-13 02:33:20,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75021505] [2021-11-13 02:33:20,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:20,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:33:20,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:33:20,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:33:20,525 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-13 02:33:20,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:20,589 INFO L93 Difference]: Finished difference Result 348 states and 485 transitions. [2021-11-13 02:33:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:33:20,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-13 02:33:20,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:20,593 INFO L225 Difference]: With dead ends: 348 [2021-11-13 02:33:20,593 INFO L226 Difference]: Without dead ends: 305 [2021-11-13 02:33:20,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:33:20,595 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.71ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.18ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:20,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 1.71ms Time], IncrementalHoareTripleChecker [26 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 51.18ms Time] [2021-11-13 02:33:20,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-13 02:33:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 211. [2021-11-13 02:33:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 203 states have (on average 1.477832512315271) internal successors, (300), 210 states have internal predecessors, (300), 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) [2021-11-13 02:33:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 300 transitions. [2021-11-13 02:33:20,607 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 300 transitions. Word has length 28 [2021-11-13 02:33:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:20,609 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 300 transitions. [2021-11-13 02:33:20,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-13 02:33:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2021-11-13 02:33:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 02:33:20,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:20,614 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-13 02:33:20,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:20,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:33:20,828 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-13 02:33:20,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash 293984338, now seen corresponding path program 1 times [2021-11-13 02:33:20,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:33:20,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580760641] [2021-11-13 02:33:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:33:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:20,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:33:20,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580760641] [2021-11-13 02:33:20,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580760641] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:33:20,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568561697] [2021-11-13 02:33:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:20,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:33:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:33:20,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:33:20,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:33:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:21,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:33:21,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:21,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:33:21,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568561697] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:33:21,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2041383919] [2021-11-13 02:33:21,270 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-13 02:33:21,270 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:33:21,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:33:21,284 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:33:21,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:33:21,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:21,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:33:21,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:21,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 02:33:21,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 02:33:21,411 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-13 02:33:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 02:33:21,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:33:21,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:33:21,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:33:21,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:21,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:33:21,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 02:33:21,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:33:21,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:33:21,520 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:33:21,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:21,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-13 02:33:21,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:33:21,544 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:121 [2021-11-13 02:33:21,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-13 02:33:21,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-13 02:33:21,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 02:33:21,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 02:33:21,814 INFO L180 QuantifierPusher]: treesize reduction 211, result has 0.5 percent of original size [2021-11-13 02:33:21,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:33:21,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 02:33:21,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:21,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 02:33:21,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:21,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,189 INFO L180 QuantifierPusher]: treesize reduction 4, result has 99.4 percent of original size [2021-11-13 02:33:22,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 607 [2021-11-13 02:33:22,233 INFO L180 QuantifierPusher]: treesize reduction 29, result has 95.5 percent of original size [2021-11-13 02:33:22,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:22,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:22,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:22,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:22,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-13 02:33:22,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 981 [2021-11-13 02:33:22,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 993 [2021-11-13 02:33:22,407 INFO L180 QuantifierPusher]: treesize reduction 152, result has 87.1 percent of original size [2021-11-13 02:33:22,447 INFO L185 QuantifierPusher]: treesize reduction 20, result has 91.6 percent of original size 217 [2021-11-13 02:33:22,461 INFO L180 QuantifierPusher]: treesize reduction 28, result has 88.8 percent of original size [2021-11-13 02:33:22,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-13 02:33:22,476 INFO L180 QuantifierPusher]: treesize reduction 10, result has 95.6 percent of original size [2021-11-13 02:33:22,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2021-11-13 02:33:22,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:22,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-13 02:33:22,535 INFO L180 QuantifierPusher]: treesize reduction 224, result has 0.4 percent of original size [2021-11-13 02:33:22,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:33:22,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,802 INFO L180 QuantifierPusher]: treesize reduction 75, result has 66.1 percent of original size [2021-11-13 02:33:22,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-13 02:33:22,820 INFO L180 QuantifierPusher]: treesize reduction 29, result has 83.0 percent of original size [2021-11-13 02:33:22,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-13 02:33:22,845 INFO L180 QuantifierPusher]: treesize reduction 155, result has 52.2 percent of original size [2021-11-13 02:33:22,856 INFO L185 QuantifierPusher]: treesize reduction 20, result has 87.9 percent of original size 145 [2021-11-13 02:33:22,868 INFO L180 QuantifierPusher]: treesize reduction 25, result has 86.0 percent of original size [2021-11-13 02:33:22,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-13 02:33:22,883 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.0 percent of original size [2021-11-13 02:33:22,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-13 02:33:22,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:22,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:22,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:22,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-13 02:33:22,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 02:33:22,979 INFO L180 QuantifierPusher]: treesize reduction 191, result has 0.5 percent of original size [2021-11-13 02:33:22,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:33:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:22,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,231 INFO L180 QuantifierPusher]: treesize reduction 75, result has 65.6 percent of original size [2021-11-13 02:33:23,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-13 02:33:23,247 INFO L180 QuantifierPusher]: treesize reduction 29, result has 82.7 percent of original size [2021-11-13 02:33:23,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-13 02:33:23,268 INFO L180 QuantifierPusher]: treesize reduction 155, result has 51.7 percent of original size [2021-11-13 02:33:23,280 INFO L185 QuantifierPusher]: treesize reduction 10, result has 93.8 percent of original size 152 [2021-11-13 02:33:23,294 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-13 02:33:23,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-13 02:33:23,310 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.4 percent of original size [2021-11-13 02:33:23,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-13 02:33:23,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:23,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:33:23,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-13 02:33:23,381 INFO L180 QuantifierPusher]: treesize reduction 181, result has 0.5 percent of original size [2021-11-13 02:33:23,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:33:23,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,543 INFO L180 QuantifierPusher]: treesize reduction 91, result has 60.9 percent of original size [2021-11-13 02:33:23,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-13 02:33:23,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-13 02:33:23,572 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.9 percent of original size [2021-11-13 02:33:23,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-13 02:33:23,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-13 02:33:23,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-13 02:33:23,651 INFO L180 QuantifierPusher]: treesize reduction 75, result has 65.6 percent of original size [2021-11-13 02:33:23,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-13 02:33:23,669 INFO L180 QuantifierPusher]: treesize reduction 29, result has 82.7 percent of original size [2021-11-13 02:33:23,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-13 02:33:23,692 INFO L180 QuantifierPusher]: treesize reduction 155, result has 51.7 percent of original size [2021-11-13 02:33:23,704 INFO L185 QuantifierPusher]: treesize reduction 10, result has 93.8 percent of original size 152 [2021-11-13 02:33:23,722 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-13 02:33:23,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-13 02:33:23,742 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.4 percent of original size [2021-11-13 02:33:23,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-13 02:33:23,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:23,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 02:33:23,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-13 02:33:23,909 INFO L180 QuantifierPusher]: treesize reduction 187, result has 0.5 percent of original size [2021-11-13 02:33:23,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:33:23,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:23,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 02:33:23,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:23,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:33:24,072 INFO L180 QuantifierPusher]: treesize reduction 70, result has 72.8 percent of original size [2021-11-13 02:33:24,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:33:24,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:33:24,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:33:24,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 02:33:24,099 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.3 percent of original size [2021-11-13 02:33:24,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-13 02:33:24,108 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:33:31,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:33:31,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:33:31,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-13 02:33:31,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432609088] [2021-11-13 02:33:31,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 02:33:31,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:33:31,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:33:31,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:33:31,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=726, Unknown=0, NotChecked=0, Total=930 [2021-11-13 02:33:31,069 INFO L87 Difference]: Start difference. First operand 211 states and 300 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-11-13 02:33:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:31,207 INFO L93 Difference]: Finished difference Result 216 states and 306 transitions. [2021-11-13 02:33:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:31,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-13 02:33:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:31,208 INFO L225 Difference]: With dead ends: 216 [2021-11-13 02:33:31,209 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:33:31,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2021-11-13 02:33:31,211 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1057 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.45ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101.59ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:31,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1057 Valid, 245 Invalid, 74 Unknown, 0 Unchecked, 4.45ms Time], IncrementalHoareTripleChecker [41 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 101.59ms Time] [2021-11-13 02:33:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:33:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:33:31,212 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) [2021-11-13 02:33:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:33:31,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-11-13 02:33:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:31,213 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:33:31,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-11-13 02:33:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:33:31,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:33:31,217 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2021-11-13 02:33:31,217 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2021-11-13 02:33:31,218 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2021-11-13 02:33:31,218 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2021-11-13 02:33:31,218 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2021-11-13 02:33:31,218 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2021-11-13 02:33:31,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2021-11-13 02:33:31,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2021-11-13 02:33:31,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2021-11-13 02:33:31,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2021-11-13 02:33:31,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2021-11-13 02:33:31,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2021-11-13 02:33:31,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2021-11-13 02:33:31,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2021-11-13 02:33:31,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2021-11-13 02:33:31,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2021-11-13 02:33:31,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2021-11-13 02:33:31,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2021-11-13 02:33:31,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2021-11-13 02:33:31,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2021-11-13 02:33:31,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2021-11-13 02:33:31,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2021-11-13 02:33:31,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2021-11-13 02:33:31,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2021-11-13 02:33:31,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2021-11-13 02:33:31,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2021-11-13 02:33:31,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2021-11-13 02:33:31,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2021-11-13 02:33:31,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2021-11-13 02:33:31,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2021-11-13 02:33:31,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2021-11-13 02:33:31,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2021-11-13 02:33:31,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2021-11-13 02:33:31,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2021-11-13 02:33:31,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2021-11-13 02:33:31,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2021-11-13 02:33:31,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2021-11-13 02:33:31,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2021-11-13 02:33:31,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2021-11-13 02:33:31,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2021-11-13 02:33:31,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2021-11-13 02:33:31,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2021-11-13 02:33:31,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:31,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:33:31,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:33:31,575 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,577 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2021-11-13 02:33:31,577 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2021-11-13 02:33:31,578 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2021-11-13 02:33:31,579 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-13 02:33:31,580 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2021-11-13 02:33:31,580 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2021-11-13 02:33:31,580 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2021-11-13 02:33:31,580 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-13 02:33:31,580 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-13 02:33:31,581 INFO L858 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-11-13 02:33:31,581 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2021-11-13 02:33:31,581 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2021-11-13 02:33:31,581 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-13 02:33:31,582 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2021-11-13 02:33:31,582 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-13 02:33:31,582 INFO L858 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-11-13 02:33:31,582 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-13 02:33:31,582 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2021-11-13 02:33:31,583 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2021-11-13 02:33:31,583 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-11-13 02:33:31,583 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-11-13 02:33:31,583 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-11-13 02:33:31,583 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2021-11-13 02:33:31,584 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2021-11-13 02:33:31,584 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2021-11-13 02:33:31,584 INFO L858 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-11-13 02:33:31,584 INFO L858 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-11-13 02:33:31,584 INFO L858 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-11-13 02:33:31,585 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2021-11-13 02:33:31,586 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2021-11-13 02:33:31,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-13 02:33:31,586 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2021-11-13 02:33:31,586 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2021-11-13 02:33:31,586 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2021-11-13 02:33:31,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-13 02:33:31,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-13 02:33:31,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,587 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-11-13 02:33:31,588 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-13 02:33:31,588 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-13 02:33:31,588 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-13 02:33:31,588 INFO L858 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,588 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,589 INFO L858 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,589 INFO L858 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,589 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-13 02:33:31,589 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2021-11-13 02:33:31,589 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,590 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2021-11-13 02:33:31,590 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-13 02:33:31,590 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2021-11-13 02:33:31,590 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,590 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2021-11-13 02:33:31,591 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-11-13 02:33:31,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-13 02:33:31,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-13 02:33:31,591 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2021-11-13 02:33:31,591 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2021-11-13 02:33:31,592 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2021-11-13 02:33:31,592 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2021-11-13 02:33:31,592 INFO L861 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2021-11-13 02:33:31,592 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2021-11-13 02:33:31,593 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2021-11-13 02:33:31,594 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2021-11-13 02:33:31,594 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2021-11-13 02:33:31,594 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2021-11-13 02:33:31,594 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2021-11-13 02:33:31,594 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-11-13 02:33:31,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-13 02:33:31,595 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2021-11-13 02:33:31,595 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2021-11-13 02:33:31,595 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2021-11-13 02:33:31,595 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2021-11-13 02:33:31,596 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2021-11-13 02:33:31,597 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-11-13 02:33:31,597 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:33:31,597 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2021-11-13 02:33:31,597 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-13 02:33:31,597 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-11-13 02:33:31,598 INFO L858 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2021-11-13 02:33:31,598 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-13 02:33:31,598 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2021-11-13 02:33:31,598 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2021-11-13 02:33:31,598 INFO L858 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2021-11-13 02:33:31,599 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-13 02:33:31,599 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2021-11-13 02:33:31,599 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2021-11-13 02:33:31,599 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-13 02:33:31,599 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-13 02:33:31,600 INFO L858 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-11-13 02:33:31,601 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-13 02:33:31,601 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2021-11-13 02:33:31,601 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-11-13 02:33:31,601 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-11-13 02:33:31,601 INFO L858 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2021-11-13 02:33:31,602 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2021-11-13 02:33:31,602 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-13 02:33:31,602 INFO L858 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-11-13 02:33:31,602 INFO L858 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2021-11-13 02:33:31,602 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-13 02:33:31,603 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-13 02:33:31,603 INFO L858 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2021-11-13 02:33:31,603 INFO L858 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2021-11-13 02:33:31,603 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2021-11-13 02:33:31,603 INFO L858 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2021-11-13 02:33:31,604 INFO L858 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2021-11-13 02:33:31,604 INFO L858 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2021-11-13 02:33:31,604 INFO L858 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2021-11-13 02:33:31,604 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2021-11-13 02:33:31,604 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,605 INFO L861 garLoopResultBuilder]: At program point L553(lines 16 572) the Hoare annotation is: true [2021-11-13 02:33:31,605 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-13 02:33:31,605 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-11-13 02:33:31,605 INFO L858 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2021-11-13 02:33:31,605 INFO L858 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-11-13 02:33:31,606 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2021-11-13 02:33:31,606 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:33:31,606 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,606 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-13 02:33:31,606 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-11-13 02:33:31,607 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-11-13 02:33:31,607 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2021-11-13 02:33:31,607 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (<= |ULTIMATE.start_main_~this_expect~0#1| 16) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2021-11-13 02:33:31,607 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2021-11-13 02:33:31,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-13 02:33:31,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-13 02:33:31,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-13 02:33:31,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,609 INFO L858 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2021-11-13 02:33:31,610 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-13 02:33:31,610 INFO L858 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2021-11-13 02:33:31,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-13 02:33:31,610 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2021-11-13 02:33:31,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-13 02:33:31,611 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2021-11-13 02:33:31,611 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2021-11-13 02:33:31,611 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2021-11-13 02:33:31,611 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-13 02:33:31,611 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-13 02:33:31,612 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2021-11-13 02:33:31,612 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2021-11-13 02:33:31,612 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2021-11-13 02:33:31,612 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2021-11-13 02:33:31,612 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-11-13 02:33:31,613 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2021-11-13 02:33:31,614 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2021-11-13 02:33:31,614 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-13 02:33:31,614 INFO L854 garLoopResultBuilder]: At program point L563(lines 26 567) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|))) (.cse1 (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))) (or (and .cse0 (<= |ULTIMATE.start_main_~this_expect~0#1| 16) .cse1 .cse2) (and .cse0 (<= 3 |ULTIMATE.start_main_~q~0#1|) .cse1 .cse2))) [2021-11-13 02:33:31,614 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2021-11-13 02:33:31,614 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2021-11-13 02:33:31,615 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2021-11-13 02:33:31,615 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2021-11-13 02:33:31,615 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2021-11-13 02:33:31,615 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2021-11-13 02:33:31,615 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2021-11-13 02:33:31,619 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:31,621 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:33:31,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:33:31 BoogieIcfgContainer [2021-11-13 02:33:31,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:33:31,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:33:31,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:33:31,642 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:33:31,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:17" (3/4) ... [2021-11-13 02:33:31,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:33:31,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-13 02:33:31,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 02:33:31,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 02:33:31,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:33:31,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:33:31,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:33:31,701 INFO L158 Benchmark]: Toolchain (without parser) took 16059.80ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 53.7MB in the beginning and 127.9MB in the end (delta: -74.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,701 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 70.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:33:31,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.19ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 60.6MB in the end (delta: -7.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.34ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,702 INFO L158 Benchmark]: Boogie Preprocessor took 57.29ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 52.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,703 INFO L158 Benchmark]: RCFGBuilder took 1271.39ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.7MB in the beginning and 72.4MB in the end (delta: -19.6MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,703 INFO L158 Benchmark]: TraceAbstraction took 14014.82ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 72.4MB in the beginning and 130.0MB in the end (delta: -57.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,704 INFO L158 Benchmark]: Witness Printer took 58.23ms. Allocated memory is still 218.1MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:33:31,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 70.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.19ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 60.6MB in the end (delta: -7.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.34ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.29ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 52.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1271.39ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.7MB in the beginning and 72.4MB in the end (delta: -19.6MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14014.82ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 72.4MB in the beginning and 130.0MB in the end (delta: -57.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 58.23ms. Allocated memory is still 218.1MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1928 SdHoareTripleChecker+Valid, 654.75ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1928 mSDsluCounter, 2401 SdHoareTripleChecker+Invalid, 494.84ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 946 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 1461 mSDtfsCounter, 315 mSolverCounterSat, 32.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 109 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 128 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 127 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 53/68 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 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= 2147483647 + this_expect && this_expect <= 16) && 0 <= this_buffer_empty) && this_buffer_empty <= 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((0 <= 2147483647 + this_expect && this_expect <= 16) && 0 <= this_buffer_empty) && this_buffer_empty <= 1) || (((0 <= 2147483647 + this_expect && 3 <= q) && 0 <= this_buffer_empty) && this_buffer_empty <= 1) RESULT: Ultimate proved your program to be correct! [2021-11-13 02:33:31,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c78cfe-8d27-4aed-841e-8432a85d235f/bin/utaipan-vmNK8stdcF/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