./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 848bdceeb4c93e53dbce9d2bb7709eff97bc5d3b85d8c98e0a564433c1d2c039 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:32:33,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:32:33,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:32:33,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:32:33,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:32:33,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:32:33,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:32:33,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:32:33,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:32:33,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:32:33,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:32:33,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:32:33,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:32:33,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:32:33,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:32:33,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:32:33,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:32:33,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:32:33,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:32:33,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:32:33,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:32:33,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:32:33,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:32:33,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:32:33,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:32:33,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:32:33,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:32:33,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:32:33,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:32:33,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:32:33,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:32:33,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:32:33,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:32:33,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:32:33,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:32:33,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:32:33,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:32:33,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:32:33,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:32:33,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:32:33,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:32:33,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:32:33,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:32:33,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:32:33,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:32:33,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:32:33,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:32:33,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:32:33,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:32:33,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:32:33,362 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:32:33,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:32:33,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:32:33,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:32:33,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:32:33,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:32:33,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:32:33,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:32:33,365 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:32:33,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:32:33,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:32:33,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:32:33,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:32:33,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:32:33,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:32:33,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:33,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:32:33,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:32:33,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:32:33,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:32:33,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:32:33,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:32:33,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:32:33,369 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:32:33,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:32:33,369 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 848bdceeb4c93e53dbce9d2bb7709eff97bc5d3b85d8c98e0a564433c1d2c039 [2022-11-25 18:32:33,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:32:33,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:32:33,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:32:33,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:32:33,769 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:32:33,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_good.i [2022-11-25 18:32:37,214 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:32:37,776 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:32:37,777 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_good.i [2022-11-25 18:32:37,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/data/a5f925211/ce5c8a3e35084b7e8ce4f104024288df/FLAGa451bb2a1 [2022-11-25 18:32:37,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/data/a5f925211/ce5c8a3e35084b7e8ce4f104024288df [2022-11-25 18:32:37,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:32:37,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:32:37,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:37,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:32:37,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:32:37,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:37" (1/1) ... [2022-11-25 18:32:37,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a26c793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:37, skipping insertion in model container [2022-11-25 18:32:37,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:37" (1/1) ... [2022-11-25 18:32:37,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:32:37,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:32:38,347 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:32:38,952 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:32:38,962 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:32:38,969 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:32:38,981 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:32:38,988 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:32:39,064 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:32:39,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:39,094 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:32:39,130 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:32:39,221 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:32:39,228 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:32:39,230 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:32:39,235 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:32:39,236 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:32:39,263 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:32:39,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:39,421 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:32:39,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39 WrapperNode [2022-11-25 18:32:39,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:39,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:39,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:32:39,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:32:39,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,535 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 119 [2022-11-25 18:32:39,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:39,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:32:39,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:32:39,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:32:39,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,609 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:32:39,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:32:39,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:32:39,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:32:39,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (1/1) ... [2022-11-25 18:32:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:39,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:32:39,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:32:39,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:32:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 18:32:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 18:32:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:32:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:32:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:32:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:32:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:32:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:32:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:32:39,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:32:39,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:32:40,213 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:32:40,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:32:40,222 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:32:40,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:40 BoogieIcfgContainer [2022-11-25 18:32:40,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:32:40,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:32:40,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:32:40,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:32:40,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:32:37" (1/3) ... [2022-11-25 18:32:40,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f58d706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:40, skipping insertion in model container [2022-11-25 18:32:40,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:39" (2/3) ... [2022-11-25 18:32:40,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f58d706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:40, skipping insertion in model container [2022-11-25 18:32:40,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:40" (3/3) ... [2022-11-25 18:32:40,236 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_22_good.i [2022-11-25 18:32:40,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:32:40,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 18:32:40,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:32:40,331 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e26aa33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:32:40,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 18:32:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 18:32:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 18:32:40,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:40,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:40,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:40,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:40,357 INFO L85 PathProgramCache]: Analyzing trace with hash -168397988, now seen corresponding path program 1 times [2022-11-25 18:32:40,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:40,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414185520] [2022-11-25 18:32:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:40,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:32:41,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:41,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414185520] [2022-11-25 18:32:41,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414185520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:41,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:41,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:32:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124234865] [2022-11-25 18:32:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:41,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:32:41,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:41,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:32:41,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:32:41,170 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:32:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:41,251 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-11-25 18:32:41,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:32:41,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 18:32:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:41,271 INFO L225 Difference]: With dead ends: 50 [2022-11-25 18:32:41,272 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 18:32:41,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:32:41,280 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 34 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:41,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 133 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 18:32:41,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-25 18:32:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:32:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2022-11-25 18:32:41,336 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 13 [2022-11-25 18:32:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:41,338 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-25 18:32:41,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:32:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-25 18:32:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:32:41,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:41,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:41,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:32:41,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:41,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:41,347 INFO L85 PathProgramCache]: Analyzing trace with hash -925370268, now seen corresponding path program 1 times [2022-11-25 18:32:41,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:41,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523362712] [2022-11-25 18:32:41,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:32:41,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:41,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523362712] [2022-11-25 18:32:41,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523362712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:41,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:41,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:32:41,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111243266] [2022-11-25 18:32:41,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:41,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:32:41,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:41,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:32:41,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:41,622 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:32:41,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:41,654 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-11-25 18:32:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:32:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 18:32:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:41,663 INFO L225 Difference]: With dead ends: 40 [2022-11-25 18:32:41,664 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 18:32:41,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:41,666 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:41,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:41,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 18:32:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-25 18:32:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:32:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-11-25 18:32:41,683 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 14 [2022-11-25 18:32:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:41,685 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-25 18:32:41,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:32:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-25 18:32:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 18:32:41,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:41,690 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:41,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:32:41,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash -677212018, now seen corresponding path program 1 times [2022-11-25 18:32:41,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:41,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50358590] [2022-11-25 18:32:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:32:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:32:41,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:41,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50358590] [2022-11-25 18:32:41,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50358590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:41,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:41,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:32:41,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583068906] [2022-11-25 18:32:41,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:41,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:32:41,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:41,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:32:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:41,848 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:32:41,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:41,865 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2022-11-25 18:32:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:32:41,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-25 18:32:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:41,871 INFO L225 Difference]: With dead ends: 65 [2022-11-25 18:32:41,871 INFO L226 Difference]: Without dead ends: 38 [2022-11-25 18:32:41,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:41,873 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:41,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 45 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-25 18:32:41,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-25 18:32:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:32:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-25 18:32:41,881 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2022-11-25 18:32:41,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:41,881 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-25 18:32:41,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:32:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-25 18:32:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 18:32:41,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:41,885 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:41,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:32:41,886 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:41,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:41,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1820048040, now seen corresponding path program 1 times [2022-11-25 18:32:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:41,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619669078] [2022-11-25 18:32:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:32:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:32:42,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:42,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619669078] [2022-11-25 18:32:42,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619669078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:42,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:42,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:32:42,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947810167] [2022-11-25 18:32:42,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:42,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:32:42,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:32:42,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:32:42,129 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:42,156 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-11-25 18:32:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:32:42,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-25 18:32:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:42,158 INFO L225 Difference]: With dead ends: 38 [2022-11-25 18:32:42,158 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 18:32:42,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:32:42,160 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:42,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 108 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 18:32:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-25 18:32:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:32:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-25 18:32:42,169 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 24 [2022-11-25 18:32:42,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:42,169 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-25 18:32:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-25 18:32:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 18:32:42,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:42,171 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:42,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:32:42,172 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:42,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash -586914303, now seen corresponding path program 1 times [2022-11-25 18:32:42,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:42,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855554815] [2022-11-25 18:32:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:42,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:32:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:32:42,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:42,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855554815] [2022-11-25 18:32:42,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855554815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:42,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:42,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:32:42,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334836282] [2022-11-25 18:32:42,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:42,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:32:42,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:42,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:32:42,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:42,314 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:42,342 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-25 18:32:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:32:42,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-25 18:32:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:42,347 INFO L225 Difference]: With dead ends: 37 [2022-11-25 18:32:42,348 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 18:32:42,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:42,350 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:42,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 18:32:42,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-25 18:32:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:32:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2022-11-25 18:32:42,359 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 25 [2022-11-25 18:32:42,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:42,359 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-25 18:32:42,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-25 18:32:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 18:32:42,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:42,361 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:42,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:32:42,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:42,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:42,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1001144600, now seen corresponding path program 1 times [2022-11-25 18:32:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:42,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183370847] [2022-11-25 18:32:42,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:42,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:32:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:32:42,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:42,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183370847] [2022-11-25 18:32:42,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183370847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:42,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:42,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:32:42,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369689976] [2022-11-25 18:32:42,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:42,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:32:42,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:42,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:32:42,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:42,433 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:42,444 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-11-25 18:32:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:32:42,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 18:32:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:42,446 INFO L225 Difference]: With dead ends: 50 [2022-11-25 18:32:42,446 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 18:32:42,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:32:42,448 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 21 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:42,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 74 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 18:32:42,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 18:32:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:32:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-25 18:32:42,457 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 26 [2022-11-25 18:32:42,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:42,458 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-25 18:32:42,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:32:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-25 18:32:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 18:32:42,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:42,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:42,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:32:42,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 18:32:42,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1001620357, now seen corresponding path program 1 times [2022-11-25 18:32:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:42,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799129930] [2022-11-25 18:32:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:42,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:32:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 18:32:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:32:42,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:42,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799129930] [2022-11-25 18:32:42,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799129930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:42,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:42,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:32:42,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022313836] [2022-11-25 18:32:42,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:42,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:32:42,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:42,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:32:42,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:32:42,608 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:32:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:42,642 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-25 18:32:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:32:42,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-25 18:32:42,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:42,645 INFO L225 Difference]: With dead ends: 43 [2022-11-25 18:32:42,645 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:32:42,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:32:42,651 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:42,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:32:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:32:42,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:32:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:32:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:32:42,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-25 18:32:42,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:42,661 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:32:42,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:32:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:32:42,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:32:42,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 18:32:42,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 18:32:42,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 18:32:42,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 18:32:42,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 18:32:42,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 18:32:42,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:32:42,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:32:42,758 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 18:32:42,758 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:32:42,758 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 18:32:42,758 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:32:42,759 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:32:42,759 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 18:32:42,759 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:32:42,759 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1640) no Hoare annotation was computed. [2022-11-25 18:32:42,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-25 18:32:42,760 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-25 18:32:42,760 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-11-25 18:32:42,760 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1629) no Hoare annotation was computed. [2022-11-25 18:32:42,760 INFO L895 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) [2022-11-25 18:32:42,760 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-11-25 18:32:42,760 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1613) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-25 18:32:42,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:32:42,762 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) [2022-11-25 18:32:42,762 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-25 18:32:42,762 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 18:32:42,762 INFO L899 garLoopResultBuilder]: For program point L1556-2(line 1556) no Hoare annotation was computed. [2022-11-25 18:32:42,778 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1559) no Hoare annotation was computed. [2022-11-25 18:32:42,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-25 18:32:42,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:32:42,778 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1641) no Hoare annotation was computed. [2022-11-25 18:32:42,779 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-11-25 18:32:42,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-25 18:32:42,779 INFO L899 garLoopResultBuilder]: For program point L1565-2(line 1565) no Hoare annotation was computed. [2022-11-25 18:32:42,779 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Global~0 0) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G2Global~0 1)) [2022-11-25 18:32:42,779 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1568) no Hoare annotation was computed. [2022-11-25 18:32:42,780 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Global~0 0) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G2Global~0 1)) [2022-11-25 18:32:42,780 INFO L895 garLoopResultBuilder]: At program point L1590(lines 1584 1591) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) [2022-11-25 18:32:42,780 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1628) no Hoare annotation was computed. [2022-11-25 18:32:42,780 INFO L899 garLoopResultBuilder]: For program point L1615(lines 1615 1630) no Hoare annotation was computed. [2022-11-25 18:32:42,780 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Global~0 0)) [2022-11-25 18:32:42,781 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 1597 1613) no Hoare annotation was computed. [2022-11-25 18:32:42,781 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1583) no Hoare annotation was computed. [2022-11-25 18:32:42,781 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Sink_~data#1| 2147483648)) (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Global~0 0)) [2022-11-25 18:32:42,781 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-25 18:32:42,782 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1612) no Hoare annotation was computed. [2022-11-25 18:32:42,782 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-11-25 18:32:42,783 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-25 18:32:42,783 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-11-25 18:32:42,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-25 18:32:42,783 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= ~CWE190_Integer_Overflow__int_rand_postinc_22_goodB2G1Global~0 0) [2022-11-25 18:32:42,783 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 18:32:42,787 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:42,790 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:32:42,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:32:42 BoogieIcfgContainer [2022-11-25 18:32:42,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:32:42,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:32:42,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:32:42,807 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:32:42,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:40" (3/4) ... [2022-11-25 18:32:42,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:32:42,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 18:32:42,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 18:32:42,825 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 18:32:42,826 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 18:32:42,826 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:32:42,827 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:32:42,899 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:32:42,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:32:42,900 INFO L158 Benchmark]: Toolchain (without parser) took 5060.52ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 47.5MB in the end (delta: 58.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,900 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:32:42,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.09ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 43.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.36ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 112.2MB in the end (delta: -68.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,902 INFO L158 Benchmark]: Boogie Preprocessor took 78.06ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 110.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,902 INFO L158 Benchmark]: RCFGBuilder took 608.97ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 92.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,903 INFO L158 Benchmark]: TraceAbstraction took 2579.57ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 51.7MB in the end (delta: 40.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,903 INFO L158 Benchmark]: Witness Printer took 92.40ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 47.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:32:42,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.09ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 43.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.36ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 112.2MB in the end (delta: -68.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.06ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 110.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.97ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 92.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2579.57ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 51.7MB in the end (delta: 40.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 92.40ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 47.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 649 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 318 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 19 PreInvPairs, 21 NumberOfFragments, 73 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-25 18:32:42,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de0c4e9-edc1-49c8-9605-7f64e03b8dd6/bin/uautomizer-ZsLfNo2U6R/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