./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:54:55,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:54:55,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:54:55,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:54:55,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:54:55,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:54:55,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:54:55,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:54:55,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:54:55,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:54:55,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:54:55,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:54:55,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:54:55,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:54:55,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:54:55,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:54:55,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:54:55,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:54:55,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:54:55,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:54:55,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:54:55,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:54:55,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:54:55,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:54:55,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:54:55,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:54:55,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:54:55,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:54:55,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:54:55,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:54:55,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:54:55,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:54:55,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:54:55,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:54:55,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:54:55,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:54:55,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:54:55,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:54:55,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:54:55,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:54:55,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:54:55,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:54:55,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:54:55,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:54:55,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:54:55,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:54:55,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:54:55,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:54:55,283 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:54:55,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:54:55,284 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:54:55,284 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:54:55,285 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:54:55,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:54:55,286 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:54:55,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:54:55,286 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:54:55,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:54:55,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:54:55,287 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:54:55,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:54:55,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:54:55,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:54:55,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:54:55,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:54:55,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:54:55,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:54:55,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:54:55,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:54:55,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:54:55,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:54:55,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:54:55,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:54:55,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:54:55,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:54:55,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:54:55,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:54:55,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:54:55,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:54:55,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:54:55,296 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:54:55,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:54:55,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:54:55,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:54:55,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:54:55,297 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_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2021-11-25 18:54:55,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:54:55,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:54:55,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:54:55,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:54:55,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:54:55,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-25 18:54:55,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/data/a7eebf113/9a2772cb1d92434aa4d64bb97c993bb0/FLAG9337855db [2021-11-25 18:54:56,484 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:54:56,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-25 18:54:56,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/data/a7eebf113/9a2772cb1d92434aa4d64bb97c993bb0/FLAG9337855db [2021-11-25 18:54:56,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/data/a7eebf113/9a2772cb1d92434aa4d64bb97c993bb0 [2021-11-25 18:54:56,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:54:56,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:54:56,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:54:56,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:54:56,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:54:56,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:56" (1/1) ... [2021-11-25 18:54:56,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ece740c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:56, skipping insertion in model container [2021-11-25 18:54:56,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:56" (1/1) ... [2021-11-25 18:54:56,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:54:56,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:54:57,151 WARN L230 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_a4988bf9-f56e-45aa-917b-185030831733/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-25 18:54:57,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:54:57,169 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:54:57,296 WARN L230 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_a4988bf9-f56e-45aa-917b-185030831733/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-25 18:54:57,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:54:57,316 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:54:57,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57 WrapperNode [2021-11-25 18:54:57,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:54:57,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:54:57,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:54:57,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:54:57,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,466 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 469 [2021-11-25 18:54:57,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:54:57,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:54:57,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:54:57,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:54:57,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:54:57,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:54:57,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:54:57,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:54:57,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (1/1) ... [2021-11-25 18:54:57,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:54:57,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:54:57,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:54:57,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:54:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:54:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:54:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:54:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:54:57,855 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:54:57,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:54:58,821 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:54:58,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:54:58,855 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 18:54:58,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:58 BoogieIcfgContainer [2021-11-25 18:54:58,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:54:58,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:54:58,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:54:58,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:54:58,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:54:56" (1/3) ... [2021-11-25 18:54:58,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b9723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:58, skipping insertion in model container [2021-11-25 18:54:58,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57" (2/3) ... [2021-11-25 18:54:58,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b9723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:58, skipping insertion in model container [2021-11-25 18:54:58,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:58" (3/3) ... [2021-11-25 18:54:58,882 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-11-25 18:54:58,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:54:58,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-25 18:54:58,954 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:54:58,963 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 [2021-11-25 18:54:58,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-25 18:54:58,987 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) [2021-11-25 18:54:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:54:58,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:58,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:58,997 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)] === [2021-11-25 18:54:59,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:59,004 INFO L85 PathProgramCache]: Analyzing trace with hash -732953023, now seen corresponding path program 1 times [2021-11-25 18:54:59,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:59,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018605819] [2021-11-25 18:54:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:59,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:59,294 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:59,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018605819] [2021-11-25 18:54:59,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018605819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:59,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:59,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:54:59,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821272404] [2021-11-25 18:54:59,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:59,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:54:59,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:59,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:54:59,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:54:59,343 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) [2021-11-25 18:54:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:59,607 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2021-11-25 18:54:59,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:54:59,614 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 [2021-11-25 18:54:59,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:59,632 INFO L225 Difference]: With dead ends: 386 [2021-11-25 18:54:59,633 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:54:59,639 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 [2021-11-25 18:54:59,646 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 4 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:59,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 525 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:54:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:54:59,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-25 18:54:59,721 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) [2021-11-25 18:54:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2021-11-25 18:54:59,732 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2021-11-25 18:54:59,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:59,732 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2021-11-25 18:54:59,734 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) [2021-11-25 18:54:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2021-11-25 18:54:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 18:54:59,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:59,736 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:59,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:54:59,738 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)] === [2021-11-25 18:54:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:59,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1106630647, now seen corresponding path program 1 times [2021-11-25 18:54:59,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:59,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491113952] [2021-11-25 18:54:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:59,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:59,923 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:59,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491113952] [2021-11-25 18:54:59,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491113952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:59,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:59,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:54:59,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716874098] [2021-11-25 18:54:59,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:59,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:54:59,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:59,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:54:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:54:59,928 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) [2021-11-25 18:55:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:00,158 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions. [2021-11-25 18:55:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:00,159 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 [2021-11-25 18:55:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:00,168 INFO L225 Difference]: With dead ends: 320 [2021-11-25 18:55:00,168 INFO L226 Difference]: Without dead ends: 260 [2021-11-25 18:55:00,178 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 [2021-11-25 18:55:00,180 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 151 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:00,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 321 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:55:00,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-25 18:55:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 251. [2021-11-25 18:55:00,222 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) [2021-11-25 18:55:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2021-11-25 18:55:00,225 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 14 [2021-11-25 18:55:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:00,226 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2021-11-25 18:55:00,226 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) [2021-11-25 18:55:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2021-11-25 18:55:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 18:55:00,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:00,228 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:55:00,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:55:00,228 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)] === [2021-11-25 18:55:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1993942009, now seen corresponding path program 1 times [2021-11-25 18:55:00,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:00,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478396149] [2021-11-25 18:55:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:00,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:00,355 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478396149] [2021-11-25 18:55:00,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478396149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:00,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:00,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:55:00,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701339218] [2021-11-25 18:55:00,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:00,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:55:00,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:55:00,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:55:00,359 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) [2021-11-25 18:55:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:00,437 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2021-11-25 18:55:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:00,438 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 [2021-11-25 18:55:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:00,441 INFO L225 Difference]: With dead ends: 354 [2021-11-25 18:55:00,442 INFO L226 Difference]: Without dead ends: 346 [2021-11-25 18:55:00,442 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 [2021-11-25 18:55:00,444 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 123 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:00,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 375 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:55:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-25 18:55:00,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2021-11-25 18:55:00,467 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) [2021-11-25 18:55:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2021-11-25 18:55:00,469 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2021-11-25 18:55:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:00,470 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2021-11-25 18:55:00,470 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) [2021-11-25 18:55:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2021-11-25 18:55:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:55:00,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:00,473 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] [2021-11-25 18:55:00,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:55:00,474 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)] === [2021-11-25 18:55:00,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:00,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1428786505, now seen corresponding path program 1 times [2021-11-25 18:55:00,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:00,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371712280] [2021-11-25 18:55:00,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:00,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:55:00,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:00,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371712280] [2021-11-25 18:55:00,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371712280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:00,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:00,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:55:00,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501985797] [2021-11-25 18:55:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:00,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:55:00,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:00,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:55:00,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:55:00,590 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) [2021-11-25 18:55:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:00,653 INFO L93 Difference]: Finished difference Result 695 states and 969 transitions. [2021-11-25 18:55:00,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:00,654 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 [2021-11-25 18:55:00,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:00,657 INFO L225 Difference]: With dead ends: 695 [2021-11-25 18:55:00,658 INFO L226 Difference]: Without dead ends: 356 [2021-11-25 18:55:00,660 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 [2021-11-25 18:55:00,672 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 39 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:00,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 348 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:55:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-25 18:55:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2021-11-25 18:55:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 314 states have (on average 1.5509554140127388) internal successors, (487), 355 states have internal predecessors, (487), 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) [2021-11-25 18:55:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 487 transitions. [2021-11-25 18:55:00,737 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 487 transitions. Word has length 24 [2021-11-25 18:55:00,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:00,738 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 487 transitions. [2021-11-25 18:55:00,738 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) [2021-11-25 18:55:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 487 transitions. [2021-11-25 18:55:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 18:55:00,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:00,748 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] [2021-11-25 18:55:00,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:55:00,749 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)] === [2021-11-25 18:55:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1183212724, now seen corresponding path program 1 times [2021-11-25 18:55:00,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:00,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714220964] [2021-11-25 18:55:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:00,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:55:00,843 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:00,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714220964] [2021-11-25 18:55:00,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714220964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:00,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:00,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:55:00,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129088865] [2021-11-25 18:55:00,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:00,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:55:00,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:00,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:55:00,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:55:00,847 INFO L87 Difference]: Start difference. First operand 356 states and 487 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) [2021-11-25 18:55:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:00,949 INFO L93 Difference]: Finished difference Result 358 states and 489 transitions. [2021-11-25 18:55:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:00,950 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 [2021-11-25 18:55:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:00,953 INFO L225 Difference]: With dead ends: 358 [2021-11-25 18:55:00,954 INFO L226 Difference]: Without dead ends: 341 [2021-11-25 18:55:00,954 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 [2021-11-25 18:55:00,956 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 165 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:00,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 152 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:55:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-25 18:55:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 339. [2021-11-25 18:55:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4968152866242037) internal successors, (470), 338 states have internal predecessors, (470), 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) [2021-11-25 18:55:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 470 transitions. [2021-11-25 18:55:00,977 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 470 transitions. Word has length 27 [2021-11-25 18:55:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:00,978 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 470 transitions. [2021-11-25 18:55:00,978 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) [2021-11-25 18:55:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 470 transitions. [2021-11-25 18:55:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 18:55:00,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:00,988 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] [2021-11-25 18:55:00,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:55:00,989 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)] === [2021-11-25 18:55:00,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:00,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1975112562, now seen corresponding path program 1 times [2021-11-25 18:55:00,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:00,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839101743] [2021-11-25 18:55:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:00,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 18:55:01,126 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:01,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839101743] [2021-11-25 18:55:01,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839101743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:01,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:01,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:55:01,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052878734] [2021-11-25 18:55:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:01,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:55:01,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:01,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:55:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:55:01,129 INFO L87 Difference]: Start difference. First operand 339 states and 470 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) [2021-11-25 18:55:01,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:01,168 INFO L93 Difference]: Finished difference Result 679 states and 941 transitions. [2021-11-25 18:55:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:01,170 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 [2021-11-25 18:55:01,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:01,173 INFO L225 Difference]: With dead ends: 679 [2021-11-25 18:55:01,173 INFO L226 Difference]: Without dead ends: 339 [2021-11-25 18:55:01,174 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 [2021-11-25 18:55:01,176 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:01,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:55:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-11-25 18:55:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2021-11-25 18:55:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4872611464968153) internal successors, (467), 338 states have internal predecessors, (467), 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) [2021-11-25 18:55:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 467 transitions. [2021-11-25 18:55:01,196 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 467 transitions. Word has length 28 [2021-11-25 18:55:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:01,196 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 467 transitions. [2021-11-25 18:55:01,197 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) [2021-11-25 18:55:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 467 transitions. [2021-11-25 18:55:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 18:55:01,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:01,198 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] [2021-11-25 18:55:01,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:55:01,199 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)] === [2021-11-25 18:55:01,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1975110896, now seen corresponding path program 1 times [2021-11-25 18:55:01,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:01,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571879239] [2021-11-25 18:55:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:01,340 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:01,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571879239] [2021-11-25 18:55:01,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571879239] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:55:01,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744102657] [2021-11-25 18:55:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:01,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:55:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:55:01,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:55:01,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:55:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:01,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:55:01,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:55:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:01,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:55:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:02,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744102657] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:55:02,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:55:02,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-25 18:55:02,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149166898] [2021-11-25 18:55:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:02,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:55:02,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:02,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:55:02,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:55:02,037 INFO L87 Difference]: Start difference. First operand 339 states and 467 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) [2021-11-25 18:55:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:02,106 INFO L93 Difference]: Finished difference Result 339 states and 467 transitions. [2021-11-25 18:55:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:02,106 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 [2021-11-25 18:55:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:02,109 INFO L225 Difference]: With dead ends: 339 [2021-11-25 18:55:02,109 INFO L226 Difference]: Without dead ends: 296 [2021-11-25 18:55:02,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:55:02,111 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:02,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:55:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-11-25 18:55:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 205. [2021-11-25 18:55:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 197 states have (on average 1.4619289340101522) internal successors, (288), 204 states have internal predecessors, (288), 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) [2021-11-25 18:55:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 288 transitions. [2021-11-25 18:55:02,122 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 288 transitions. Word has length 28 [2021-11-25 18:55:02,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:02,125 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 288 transitions. [2021-11-25 18:55:02,126 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) [2021-11-25 18:55:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 288 transitions. [2021-11-25 18:55:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:55:02,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:02,130 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] [2021-11-25 18:55:02,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:55:02,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:55:02,346 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)] === [2021-11-25 18:55:02,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:02,346 INFO L85 PathProgramCache]: Analyzing trace with hash 293984338, now seen corresponding path program 1 times [2021-11-25 18:55:02,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:02,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620051887] [2021-11-25 18:55:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:02,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:02,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:02,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620051887] [2021-11-25 18:55:02,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620051887] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:55:02,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620227716] [2021-11-25 18:55:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:02,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:55:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:55:02,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:55:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:55:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:02,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:55:02,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:55:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:02,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:55:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:55:02,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620227716] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:55:02,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1534577551] [2021-11-25 18:55:02,742 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-25 18:55:02,743 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:55:02,747 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:55:02,755 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:55:02,755 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:55:06,727 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:55:11,473 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5839#(and (<= 6 ~m_recv_ack_1_1~0) (<= 0 (+ |ULTIMATE.start_main_~P6~0#1| 2147483648)) (<= |ULTIMATE.start_main_~this_expect~0#1| 2147483648) (<= 0 (+ |ULTIMATE.start_main_~P5~0#1| 2147483648)) (<= 0 |#NULL.base|) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (<= 7 ~m_recv_ack_1_2~0) (<= |ULTIMATE.start_main_~P3~0#1| 2147483647) (<= |ULTIMATE.start_main_~P2~0#1| 2147483647) (= 3 |ULTIMATE.start_main_~method_id~0#1|) (<= ~m_msg_2~0 2) (<= 0 (+ |ULTIMATE.start_main_~P9~0#1| 2147483648)) (<= 4 ~m_msg_1_1~0) (or (not (= |ULTIMATE.start_main_~P3~0#1| 0)) (= |ULTIMATE.start_main_~P3~0#1| (ite (and (< |ULTIMATE.start_main_~this_expect~0#1| 1) (not (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))) (+ (- 2) (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))) (<= 5 ~m_msg_1_2~0) (= |ULTIMATE.start_main_~P1~0#1| 0) (<= |#NULL.offset| 0) (< (+ |ULTIMATE.start_main_~this_buffer_empty~0#1| 2147483646) 0) (<= ~m_msg_1_2~0 5) (<= |ULTIMATE.start_main_~P9~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~P2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~P4~0#1| 2147483647) (<= ~m_recv_ack_1_1~0 6) (<= |ULTIMATE.start_main_~P5~0#1| 2147483647) (= |ULTIMATE.start_main_~q~0#1| 4) (<= 0 (+ |ULTIMATE.start_main_~P7~0#1| 2147483648)) (<= ~m_Protocol~0 1) (<= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~P3~0#1| 2147483648)) (<= 2 ~m_msg_2~0) (<= 0 (+ |ULTIMATE.start_main_~P4~0#1| 2147483648)) (<= ~m_recv_ack_1_2~0 7) (<= 3 ~m_recv_ack_2~0) (<= 0 |#NULL.offset|) (<= 1 ~m_Protocol~0) (<= |ULTIMATE.start_main_~P7~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= ~m_recv_ack_2~0 3) (<= 0 (+ |ULTIMATE.start_main_~P8~0#1| 2147483648)) (<= |ULTIMATE.start_main_~P6~0#1| 2147483647) (<= |ULTIMATE.start_main_~P8~0#1| 2147483647) (<= ~m_msg_1_1~0 4))' at error location [2021-11-25 18:55:11,473 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:55:11,474 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:55:11,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-25 18:55:11,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311951127] [2021-11-25 18:55:11,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:55:11,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:55:11,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:11,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:55:11,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=726, Unknown=0, NotChecked=0, Total=930 [2021-11-25 18:55:11,476 INFO L87 Difference]: Start difference. First operand 205 states and 288 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) [2021-11-25 18:55:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:11,596 INFO L93 Difference]: Finished difference Result 210 states and 294 transitions. [2021-11-25 18:55:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:55:11,597 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 [2021-11-25 18:55:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:11,598 INFO L225 Difference]: With dead ends: 210 [2021-11-25 18:55:11,598 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:55:11,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2021-11-25 18:55:11,600 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 714 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:11,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 245 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:55:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:55:11,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:55:11,602 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) [2021-11-25 18:55:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:55:11,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-11-25 18:55:11,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:11,603 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:55:11,603 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) [2021-11-25 18:55:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:55:11,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:55:11,606 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2021-11-25 18:55:11,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2021-11-25 18:55:11,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2021-11-25 18:55:11,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2021-11-25 18:55:11,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2021-11-25 18:55:11,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2021-11-25 18:55:11,609 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2021-11-25 18:55:11,609 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2021-11-25 18:55:11,609 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2021-11-25 18:55:11,609 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2021-11-25 18:55:11,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2021-11-25 18:55:11,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2021-11-25 18:55:11,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2021-11-25 18:55:11,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2021-11-25 18:55:11,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2021-11-25 18:55:11,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2021-11-25 18:55:11,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2021-11-25 18:55:11,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2021-11-25 18:55:11,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2021-11-25 18:55:11,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2021-11-25 18:55:11,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2021-11-25 18:55:11,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2021-11-25 18:55:11,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2021-11-25 18:55:11,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2021-11-25 18:55:11,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2021-11-25 18:55:11,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2021-11-25 18:55:11,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2021-11-25 18:55:11,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2021-11-25 18:55:11,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2021-11-25 18:55:11,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2021-11-25 18:55:11,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2021-11-25 18:55:11,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2021-11-25 18:55:11,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2021-11-25 18:55:11,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2021-11-25 18:55:11,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2021-11-25 18:55:11,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2021-11-25 18:55:11,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2021-11-25 18:55:11,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2021-11-25 18:55:11,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2021-11-25 18:55:11,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2021-11-25 18:55:11,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2021-11-25 18:55:11,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2021-11-25 18:55:11,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:55:11,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-25 18:55:11,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:55:11,901 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,903 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2021-11-25 18:55:11,903 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2021-11-25 18:55:11,905 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2021-11-25 18:55:11,905 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-25 18:55:11,906 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2021-11-25 18:55:11,906 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-11-25 18:55:11,906 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2021-11-25 18:55:11,906 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2021-11-25 18:55:11,906 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-25 18:55:11,907 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2021-11-25 18:55:11,907 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2021-11-25 18:55:11,907 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2021-11-25 18:55:11,907 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-25 18:55:11,907 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-25 18:55:11,908 INFO L858 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-11-25 18:55:11,908 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2021-11-25 18:55:11,908 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2021-11-25 18:55:11,909 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-25 18:55:11,909 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2021-11-25 18:55:11,910 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-25 18:55:11,910 INFO L858 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-11-25 18:55:11,910 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-25 18:55:11,911 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2021-11-25 18:55:11,911 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2021-11-25 18:55:11,911 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-11-25 18:55:11,911 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-11-25 18:55:11,911 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-11-25 18:55:11,912 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2021-11-25 18:55:11,912 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2021-11-25 18:55:11,913 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2021-11-25 18:55:11,915 INFO L858 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-11-25 18:55:11,916 INFO L858 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-11-25 18:55:11,916 INFO L858 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2021-11-25 18:55:11,916 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2021-11-25 18:55:11,916 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2021-11-25 18:55:11,916 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2021-11-25 18:55:11,917 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-11-25 18:55:11,917 INFO L858 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-11-25 18:55:11,917 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2021-11-25 18:55:11,917 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2021-11-25 18:55:11,917 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-25 18:55:11,918 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2021-11-25 18:55:11,918 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2021-11-25 18:55:11,918 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2021-11-25 18:55:11,918 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-25 18:55:11,919 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-25 18:55:11,919 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,919 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-11-25 18:55:11,919 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-25 18:55:11,919 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-25 18:55:11,920 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-25 18:55:11,920 INFO L858 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,920 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,920 INFO L858 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,921 INFO L858 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,921 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-25 18:55:11,922 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2021-11-25 18:55:11,922 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,922 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2021-11-25 18:55:11,922 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-25 18:55:11,922 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2021-11-25 18:55:11,923 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,923 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2021-11-25 18:55:11,923 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-11-25 18:55:11,924 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-25 18:55:11,925 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-25 18:55:11,925 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2021-11-25 18:55:11,925 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2021-11-25 18:55:11,925 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2021-11-25 18:55:11,926 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2021-11-25 18:55:11,926 INFO L861 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2021-11-25 18:55:11,926 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2021-11-25 18:55:11,926 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-25 18:55:11,927 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2021-11-25 18:55:11,927 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2021-11-25 18:55:11,927 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2021-11-25 18:55:11,927 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2021-11-25 18:55:11,927 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2021-11-25 18:55:11,928 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2021-11-25 18:55:11,928 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2021-11-25 18:55:11,928 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2021-11-25 18:55:11,928 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2021-11-25 18:55:11,928 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-11-25 18:55:11,929 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-25 18:55:11,929 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2021-11-25 18:55:11,929 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2021-11-25 18:55:11,929 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2021-11-25 18:55:11,929 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2021-11-25 18:55:11,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-25 18:55:11,930 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2021-11-25 18:55:11,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-25 18:55:11,930 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2021-11-25 18:55:11,930 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2021-11-25 18:55:11,931 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2021-11-25 18:55:11,931 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-11-25 18:55:11,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:55:11,932 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2021-11-25 18:55:11,932 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-25 18:55:11,932 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-11-25 18:55:11,932 INFO L858 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2021-11-25 18:55:11,933 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-25 18:55:11,933 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2021-11-25 18:55:11,933 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2021-11-25 18:55:11,933 INFO L858 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2021-11-25 18:55:11,933 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-25 18:55:11,934 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2021-11-25 18:55:11,934 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2021-11-25 18:55:11,936 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-25 18:55:11,936 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-11-25 18:55:11,936 INFO L858 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2021-11-25 18:55:11,937 INFO L858 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-11-25 18:55:11,937 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2021-11-25 18:55:11,937 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2021-11-25 18:55:11,937 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-25 18:55:11,937 INFO L858 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-11-25 18:55:11,939 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-25 18:55:11,939 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2021-11-25 18:55:11,939 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-11-25 18:55:11,939 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-11-25 18:55:11,939 INFO L858 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2021-11-25 18:55:11,940 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2021-11-25 18:55:11,940 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-25 18:55:11,940 INFO L858 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-11-25 18:55:11,940 INFO L858 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2021-11-25 18:55:11,941 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-25 18:55:11,941 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-25 18:55:11,941 INFO L858 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2021-11-25 18:55:11,941 INFO L858 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2021-11-25 18:55:11,941 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2021-11-25 18:55:11,942 INFO L858 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2021-11-25 18:55:11,942 INFO L858 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2021-11-25 18:55:11,942 INFO L858 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2021-11-25 18:55:11,942 INFO L858 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2021-11-25 18:55:11,942 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2021-11-25 18:55:11,943 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,943 INFO L861 garLoopResultBuilder]: At program point L553(lines 16 572) the Hoare annotation is: true [2021-11-25 18:55:11,943 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-25 18:55:11,943 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-11-25 18:55:11,943 INFO L858 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2021-11-25 18:55:11,944 INFO L858 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-11-25 18:55:11,944 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2021-11-25 18:55:11,944 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:55:11,947 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-25 18:55:11,948 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-11-25 18:55:11,948 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-11-25 18:55:11,948 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2021-11-25 18:55:11,948 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)) [2021-11-25 18:55:11,949 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2021-11-25 18:55:11,949 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-25 18:55:11,949 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-25 18:55:11,949 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-25 18:55:11,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,950 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-25 18:55:11,950 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-25 18:55:11,950 INFO L858 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-11-25 18:55:11,950 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,951 INFO L858 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,951 INFO L858 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,951 INFO L858 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2021-11-25 18:55:11,951 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-25 18:55:11,951 INFO L858 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2021-11-25 18:55:11,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-25 18:55:11,952 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2021-11-25 18:55:11,952 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-25 18:55:11,952 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2021-11-25 18:55:11,952 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2021-11-25 18:55:11,953 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2021-11-25 18:55:11,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-25 18:55:11,953 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-25 18:55:11,954 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2021-11-25 18:55:11,954 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2021-11-25 18:55:11,954 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2021-11-25 18:55:11,954 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2021-11-25 18:55:11,954 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-11-25 18:55:11,955 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-25 18:55:11,955 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-11-25 18:55:11,955 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-11-25 18:55:11,955 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2021-11-25 18:55:11,955 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-11-25 18:55:11,956 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2021-11-25 18:55:11,956 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2021-11-25 18:55:11,956 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-25 18:55:11,956 INFO L854 garLoopResultBuilder]: At program point L563(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|)) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2021-11-25 18:55:11,956 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2021-11-25 18:55:11,957 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2021-11-25 18:55:11,957 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2021-11-25 18:55:11,957 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2021-11-25 18:55:11,957 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2021-11-25 18:55:11,957 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2021-11-25 18:55:11,958 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2021-11-25 18:55:11,993 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:55:11,999 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:55:12,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:55:12 BoogieIcfgContainer [2021-11-25 18:55:12,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:55:12,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:55:12,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:55:12,047 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:55:12,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:58" (3/4) ... [2021-11-25 18:55:12,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:55:12,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-25 18:55:12,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 18:55:12,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 18:55:12,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:55:12,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:55:12,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:55:12,177 INFO L158 Benchmark]: Toolchain (without parser) took 15449.44ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 65.3MB in the beginning and 149.2MB in the end (delta: -84.0MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,178 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:55:12,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.65ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 45.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.87ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 40.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,180 INFO L158 Benchmark]: Boogie Preprocessor took 148.97ms. Allocated memory is still 94.4MB. Free memory was 40.4MB in the beginning and 70.4MB in the end (delta: -30.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,180 INFO L158 Benchmark]: RCFGBuilder took 1237.28ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 65.6MB in the end (delta: 4.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,181 INFO L158 Benchmark]: TraceAbstraction took 13186.27ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 65.2MB in the beginning and 152.4MB in the end (delta: -87.1MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,182 INFO L158 Benchmark]: Witness Printer took 129.89ms. Allocated memory is still 180.4MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:55:12,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.65ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 45.3MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.87ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 40.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.97ms. Allocated memory is still 94.4MB. Free memory was 40.4MB in the beginning and 70.4MB in the end (delta: -30.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.28ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 65.6MB in the end (delta: 4.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13186.27ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 65.2MB in the beginning and 152.4MB in the end (delta: -87.1MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 129.89ms. Allocated memory is still 180.4MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 13.0s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1505 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1505 mSDsluCounter, 2476 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1022 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 1460 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred 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, 107 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 15 NumberOfFragments, 29 HoareAnnotationTreeSize, 4 FomulaSimplifications, 116 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 101 FormulaSimplificationTreeSizeReductionInter, 0.0s 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, 431 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 && 0 <= this_buffer_empty) && this_buffer_empty <= 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 18:55:12,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4988bf9-f56e-45aa-917b-185030831733/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE