./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_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_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/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_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/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_71e8ae17-8d94-4015-b098-ecf4ad0af771/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 ea25fd1ce3f7282bb50c50d48315e8d4f38afdb0482457162377ca15ca4db0b4 --- 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 15:36:34,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:36:34,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:36:34,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:36:34,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:36:34,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:36:34,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:36:34,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:36:34,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:36:34,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:36:34,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:36:34,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:36:34,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:36:34,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:36:34,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:36:34,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:36:34,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:36:34,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:36:34,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:36:34,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:36:34,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:36:34,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:36:34,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:36:34,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:36:34,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:36:34,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:36:34,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:36:34,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:36:34,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:36:34,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:36:34,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:36:34,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:36:34,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:36:34,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:36:34,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:36:34,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:36:34,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:36:34,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:36:34,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:36:34,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:36:34,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:36:34,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:36:34,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:36:34,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:36:34,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:36:34,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:36:34,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:36:34,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:36:34,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:36:34,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:36:34,203 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:36:34,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:36:34,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:36:34,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:36:34,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:36:34,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:36:34,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:36:34,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:36:34,205 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:36:34,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:36:34,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:36:34,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:36:34,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:36:34,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:36:34,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:36:34,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:36:34,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:36:34,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:36:34,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:36:34,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:36:34,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:36:34,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:36:34,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:36:34,208 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:36:34,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:36:34,209 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_71e8ae17-8d94-4015-b098-ecf4ad0af771/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea25fd1ce3f7282bb50c50d48315e8d4f38afdb0482457162377ca15ca4db0b4 [2022-11-25 15:36:34,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:36:34,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:36:34,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:36:34,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:36:34,541 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:36:34,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i [2022-11-25 15:36:37,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:36:38,251 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:36:38,252 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i [2022-11-25 15:36:38,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/data/9bd73a1b5/3e2403bf0f3d4fa990b7275395dc7ae0/FLAG7c76d2f70 [2022-11-25 15:36:38,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/data/9bd73a1b5/3e2403bf0f3d4fa990b7275395dc7ae0 [2022-11-25 15:36:38,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:36:38,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:36:38,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:36:38,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:36:38,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:36:38,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:38" (1/1) ... [2022-11-25 15:36:38,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b421718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38, skipping insertion in model container [2022-11-25 15:36:38,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:38" (1/1) ... [2022-11-25 15:36:38,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:36:38,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:36:38,880 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:36:39,408 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:36:39,416 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:36:39,421 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:36:39,433 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:36:39,438 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:36:39,498 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:36:39,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:36:39,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:36:39,535 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:36:39,622 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:36:39,626 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:36:39,629 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:36:39,640 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:36:39,647 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:36:39,656 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:36:39,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:36:39,869 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:36:39,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39 WrapperNode [2022-11-25 15:36:39,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:36:39,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:36:39,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:36:39,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:36:39,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,944 INFO L138 Inliner]: procedures = 505, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-25 15:36:39,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:36:39,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:36:39,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:36:39,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:36:39,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:39,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:36:39,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:36:39,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:36:39,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:36:39,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (1/1) ... [2022-11-25 15:36:40,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:36:40,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:40,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:36:40,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:36:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 15:36:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 15:36:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:36:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:36:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:36:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:36:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:36:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 15:36:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 15:36:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-11-25 15:36:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-11-25 15:36:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:36:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:36:40,244 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:36:40,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:36:40,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:36:40,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:36:40,557 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:36:40,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:40 BoogieIcfgContainer [2022-11-25 15:36:40,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:36:40,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:36:40,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:36:40,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:36:40,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:36:38" (1/3) ... [2022-11-25 15:36:40,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cbc284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:36:40, skipping insertion in model container [2022-11-25 15:36:40,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:39" (2/3) ... [2022-11-25 15:36:40,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cbc284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:36:40, skipping insertion in model container [2022-11-25 15:36:40,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:40" (3/3) ... [2022-11-25 15:36:40,604 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_08_good.i [2022-11-25 15:36:40,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:36:40,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 15:36:40,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:36:40,686 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;@14647c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:36:40,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 15:36:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 61 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 15:36:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 15:36:40,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:40,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:40,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:40,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1082099486, now seen corresponding path program 1 times [2022-11-25 15:36:40,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:40,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004180513] [2022-11-25 15:36:40,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:40,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,201 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 15:36:41,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:41,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004180513] [2022-11-25 15:36:41,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004180513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:41,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:41,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:36:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993437182] [2022-11-25 15:36:41,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:41,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:41,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:36:41,249 INFO L87 Difference]: Start difference. First operand has 77 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 61 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:36:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:41,323 INFO L93 Difference]: Finished difference Result 192 states and 254 transitions. [2022-11-25 15:36:41,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:41,333 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-25 15:36:41,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:41,345 INFO L225 Difference]: With dead ends: 192 [2022-11-25 15:36:41,345 INFO L226 Difference]: Without dead ends: 112 [2022-11-25 15:36:41,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 15:36:41,358 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 42 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:41,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 270 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-25 15:36:41,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 73. [2022-11-25 15:36:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 57 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 15:36:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2022-11-25 15:36:41,433 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 22 [2022-11-25 15:36:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:41,434 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2022-11-25 15:36:41,435 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:36:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-11-25 15:36:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 15:36:41,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:41,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:41,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:36:41,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1762157856, now seen corresponding path program 1 times [2022-11-25 15:36:41,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:41,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549059635] [2022-11-25 15:36:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,745 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 15:36:41,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:41,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549059635] [2022-11-25 15:36:41,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549059635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:41,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:41,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:36:41,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006140618] [2022-11-25 15:36:41,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:41,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:36:41,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:41,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:36:41,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:36:41,749 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:36:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:41,790 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-11-25 15:36:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:36:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-25 15:36:41,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:41,792 INFO L225 Difference]: With dead ends: 126 [2022-11-25 15:36:41,792 INFO L226 Difference]: Without dead ends: 64 [2022-11-25 15:36:41,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:36:41,795 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:41,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-25 15:36:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-25 15:36:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 49 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-11-25 15:36:41,806 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 22 [2022-11-25 15:36:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:41,807 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-11-25 15:36:41,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:36:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-11-25 15:36:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 15:36:41,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:41,809 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:41,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:36:41,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:41,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1598491907, now seen corresponding path program 1 times [2022-11-25 15:36:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:41,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735285451] [2022-11-25 15:36:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 15:36:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 15:36:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 15:36:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:36:42,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:42,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735285451] [2022-11-25 15:36:42,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735285451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:42,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:42,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:36:42,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707151258] [2022-11-25 15:36:42,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:42,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:36:42,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:36:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:36:42,059 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:42,084 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2022-11-25 15:36:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:36:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-25 15:36:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:42,086 INFO L225 Difference]: With dead ends: 115 [2022-11-25 15:36:42,087 INFO L226 Difference]: Without dead ends: 63 [2022-11-25 15:36:42,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:36:42,089 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:42,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:42,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-25 15:36:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-25 15:36:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 48 states have internal predecessors, (51), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 15:36:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-25 15:36:42,111 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 40 [2022-11-25 15:36:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:42,112 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-25 15:36:42,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-25 15:36:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 15:36:42,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:42,114 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:42,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:36:42,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:42,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:42,115 INFO L85 PathProgramCache]: Analyzing trace with hash -364619186, now seen corresponding path program 1 times [2022-11-25 15:36:42,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:42,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685285627] [2022-11-25 15:36:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:36:42,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:42,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685285627] [2022-11-25 15:36:42,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685285627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:42,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:36:42,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:36:42,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115942753] [2022-11-25 15:36:42,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:42,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:42,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:42,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:36:42,262 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:42,310 INFO L93 Difference]: Finished difference Result 133 states and 166 transitions. [2022-11-25 15:36:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:42,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-25 15:36:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:42,320 INFO L225 Difference]: With dead ends: 133 [2022-11-25 15:36:42,320 INFO L226 Difference]: Without dead ends: 91 [2022-11-25 15:36:42,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 15:36:42,323 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 22 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:42,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 177 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-25 15:36:42,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2022-11-25 15:36:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 51 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-25 15:36:42,347 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 41 [2022-11-25 15:36:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:42,348 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-25 15:36:42,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-25 15:36:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 15:36:42,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:42,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:42,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:36:42,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash 315439184, now seen corresponding path program 1 times [2022-11-25 15:36:42,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:42,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768333285] [2022-11-25 15:36:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:42,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 15:36:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:42,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768333285] [2022-11-25 15:36:42,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768333285] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:42,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861376153] [2022-11-25 15:36:42,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:42,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:42,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:42,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:36:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:42,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:42,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:36:42,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861376153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:42,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:42,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:42,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432465237] [2022-11-25 15:36:42,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:42,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:42,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:42,699 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:42,713 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-11-25 15:36:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:42,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-25 15:36:42,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:42,715 INFO L225 Difference]: With dead ends: 67 [2022-11-25 15:36:42,715 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 15:36:42,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:42,717 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:42,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 109 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 15:36:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-25 15:36:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 50 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2022-11-25 15:36:42,727 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 41 [2022-11-25 15:36:42,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:42,728 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2022-11-25 15:36:42,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-11-25 15:36:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 15:36:42,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:42,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:42,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:42,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:42,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:42,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:42,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1188680207, now seen corresponding path program 1 times [2022-11-25 15:36:42,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:42,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657927677] [2022-11-25 15:36:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:42,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 15:36:43,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:43,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657927677] [2022-11-25 15:36:43,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657927677] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:43,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247852100] [2022-11-25 15:36:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:43,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:43,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:36:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:43,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 15:36:43,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:43,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247852100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:43,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:43,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:43,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705677480] [2022-11-25 15:36:43,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:43,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:43,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:43,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:43,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:43,249 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:43,277 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2022-11-25 15:36:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:43,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-11-25 15:36:43,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:43,281 INFO L225 Difference]: With dead ends: 128 [2022-11-25 15:36:43,281 INFO L226 Difference]: Without dead ends: 89 [2022-11-25 15:36:43,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:43,283 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 22 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:43,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 178 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-25 15:36:43,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 65. [2022-11-25 15:36:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 49 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-11-25 15:36:43,293 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 42 [2022-11-25 15:36:43,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:43,294 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-25 15:36:43,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 15:36:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-11-25 15:36:43,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 15:36:43,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:43,296 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:43,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:43,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:43,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:43,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:43,503 INFO L85 PathProgramCache]: Analyzing trace with hash 905483233, now seen corresponding path program 1 times [2022-11-25 15:36:43,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558028580] [2022-11-25 15:36:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 15:36:43,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:43,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558028580] [2022-11-25 15:36:43,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558028580] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:43,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112292617] [2022-11-25 15:36:43,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:43,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:43,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:43,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:43,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:36:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:43,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:43,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 15:36:43,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:43,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112292617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:43,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:43,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168977435] [2022-11-25 15:36:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:43,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:43,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:43,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:43,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:43,814 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:36:43,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:43,836 INFO L93 Difference]: Finished difference Result 83 states and 106 transitions. [2022-11-25 15:36:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:43,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2022-11-25 15:36:43,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:43,838 INFO L225 Difference]: With dead ends: 83 [2022-11-25 15:36:43,838 INFO L226 Difference]: Without dead ends: 82 [2022-11-25 15:36:43,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:43,840 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:43,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:43,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-25 15:36:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2022-11-25 15:36:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 51 states have internal predecessors, (56), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 15:36:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2022-11-25 15:36:43,851 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 53 [2022-11-25 15:36:43,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:43,852 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-11-25 15:36:43,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:36:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-11-25 15:36:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-25 15:36:43,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:43,854 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:43,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:44,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:44,061 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:44,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1994790727, now seen corresponding path program 1 times [2022-11-25 15:36:44,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:44,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32797566] [2022-11-25 15:36:44,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:44,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 15:36:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:44,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32797566] [2022-11-25 15:36:44,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32797566] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:44,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338092806] [2022-11-25 15:36:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:44,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:44,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:44,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:44,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:36:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:44,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 15:36:44,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:44,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338092806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:44,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:44,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:44,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629237758] [2022-11-25 15:36:44,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:44,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:44,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:44,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:44,369 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:36:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:44,389 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2022-11-25 15:36:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:44,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-11-25 15:36:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:44,393 INFO L225 Difference]: With dead ends: 69 [2022-11-25 15:36:44,393 INFO L226 Difference]: Without dead ends: 68 [2022-11-25 15:36:44,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:44,397 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 14 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 124 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 15:36:44,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 124 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-25 15:36:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-25 15:36:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 50 states have internal predecessors, (55), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 15:36:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-11-25 15:36:44,438 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 54 [2022-11-25 15:36:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:44,439 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-25 15:36:44,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:36:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-11-25 15:36:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 15:36:44,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:44,446 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:44,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:44,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:44,652 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:44,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:44,653 INFO L85 PathProgramCache]: Analyzing trace with hash -530339779, now seen corresponding path program 1 times [2022-11-25 15:36:44,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:44,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525234217] [2022-11-25 15:36:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:44,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 15:36:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 15:36:44,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:44,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525234217] [2022-11-25 15:36:44,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525234217] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:44,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146411212] [2022-11-25 15:36:44,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:44,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:44,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:44,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:44,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:36:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:44,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:44,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 15:36:44,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:44,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146411212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:44,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:44,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:44,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752345916] [2022-11-25 15:36:44,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:44,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:44,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:44,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:44,952 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 15:36:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:44,961 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2022-11-25 15:36:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:44,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 58 [2022-11-25 15:36:44,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:44,963 INFO L225 Difference]: With dead ends: 68 [2022-11-25 15:36:44,963 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 15:36:44,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:44,964 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 12 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:44,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 15:36:44,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2022-11-25 15:36:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 47 states have internal predecessors, (50), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-11-25 15:36:44,972 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 58 [2022-11-25 15:36:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:44,972 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-11-25 15:36:44,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 15:36:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-25 15:36:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 15:36:44,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:44,974 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:44,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:45,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 15:36:45,180 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1678712103, now seen corresponding path program 1 times [2022-11-25 15:36:45,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:45,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670420619] [2022-11-25 15:36:45,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 15:36:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 15:36:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-25 15:36:45,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670420619] [2022-11-25 15:36:45,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670420619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681647889] [2022-11-25 15:36:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:45,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:45,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:45,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:36:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:45,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-25 15:36:45,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:45,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681647889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:45,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:45,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:45,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062938294] [2022-11-25 15:36:45,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:45,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:45,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:45,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:45,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:45,431 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:45,445 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2022-11-25 15:36:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:45,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2022-11-25 15:36:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:45,447 INFO L225 Difference]: With dead ends: 69 [2022-11-25 15:36:45,447 INFO L226 Difference]: Without dead ends: 68 [2022-11-25 15:36:45,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:45,448 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:45,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-25 15:36:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2022-11-25 15:36:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 50 states have internal predecessors, (53), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 15:36:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-25 15:36:45,463 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 66 [2022-11-25 15:36:45,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:45,465 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-25 15:36:45,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-25 15:36:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 15:36:45,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:45,467 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:45,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 15:36:45,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 15:36:45,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:45,675 INFO L85 PathProgramCache]: Analyzing trace with hash 869365477, now seen corresponding path program 1 times [2022-11-25 15:36:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:45,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145205847] [2022-11-25 15:36:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 15:36:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 15:36:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-25 15:36:45,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:45,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145205847] [2022-11-25 15:36:45,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145205847] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:45,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929937259] [2022-11-25 15:36:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:45,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:45,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:45,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 15:36:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:45,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:45,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-25 15:36:45,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:45,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929937259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:45,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:45,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:45,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210139796] [2022-11-25 15:36:45,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:45,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:45,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:45,943 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:45,977 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-11-25 15:36:45,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:45,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2022-11-25 15:36:45,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:45,981 INFO L225 Difference]: With dead ends: 67 [2022-11-25 15:36:45,981 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 15:36:45,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:45,983 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:36:45,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:45,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 15:36:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2022-11-25 15:36:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 46 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 15:36:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-11-25 15:36:45,996 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 66 [2022-11-25 15:36:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:45,997 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-11-25 15:36:45,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-25 15:36:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 15:36:45,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:36:45,998 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:46,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:46,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 15:36:46,206 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 15:36:46,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:36:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash 500467785, now seen corresponding path program 1 times [2022-11-25 15:36:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:36:46,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715413648] [2022-11-25 15:36:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:46,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:36:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:36:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:36:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:36:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 15:36:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 15:36:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 15:36:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 15:36:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 15:36:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 15:36:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 15:36:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-25 15:36:46,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:36:46,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715413648] [2022-11-25 15:36:46,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715413648] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:36:46,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347421743] [2022-11-25 15:36:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:36:46,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:36:46,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:36:46,321 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:36:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 15:36:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:36:46,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:36:46,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:36:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-25 15:36:46,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:36:46,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347421743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:36:46,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:36:46,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 15:36:46,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345363363] [2022-11-25 15:36:46,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:36:46,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:36:46,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:36:46,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:36:46,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:46,440 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:36:46,451 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2022-11-25 15:36:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:36:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2022-11-25 15:36:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:36:46,452 INFO L225 Difference]: With dead ends: 62 [2022-11-25 15:36:46,452 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:36:46,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:36:46,454 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 136 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 15:36:46,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 136 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:36:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:36:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:36:46,455 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 15:36:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:36:46,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2022-11-25 15:36:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:36:46,456 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:36:46,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 15:36:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:36:46,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:36:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 15:36:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 15:36:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 15:36:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 15:36:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 15:36:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 15:36:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 15:36:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 15:36:46,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:36:46,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 15:36:46,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:36:46,815 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 15:36:46,816 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:36:46,817 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 15:36:46,817 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:36:46,817 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-11-25 15:36:46,817 INFO L902 garLoopResultBuilder]: At program point staticReturnsFalseENTRY(lines 1552 1555) the Hoare annotation is: true [2022-11-25 15:36:46,817 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2022-11-25 15:36:46,818 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:36:46,818 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 15:36:46,818 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-25 15:36:46,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-25 15:36:46,820 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1601) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-11-25 15:36:46,821 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,822 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: false [2022-11-25 15:36:46,822 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-25 15:36:46,822 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-11-25 15:36:46,823 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,823 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-25 15:36:46,824 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|) [2022-11-25 15:36:46,824 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-25 15:36:46,824 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-25 15:36:46,824 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-11-25 15:36:46,824 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-25 15:36:46,824 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,824 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-25 15:36:46,825 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-25 15:36:46,825 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-25 15:36:46,825 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-25 15:36:46,825 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-25 15:36:46,825 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-11-25 15:36:46,826 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-25 15:36:46,826 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:36:46,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-25 15:36:46,826 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,826 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-25 15:36:46,827 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-11-25 15:36:46,827 INFO L902 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: true [2022-11-25 15:36:46,827 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-25 15:36:46,827 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1629) no Hoare annotation was computed. [2022-11-25 15:36:46,827 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-11-25 15:36:46,827 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2022-11-25 15:36:46,828 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,828 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 15:36:46,828 INFO L902 garLoopResultBuilder]: At program point L1651(lines 1645 1652) the Hoare annotation is: true [2022-11-25 15:36:46,828 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,829 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,830 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-25 15:36:46,830 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1588) no Hoare annotation was computed. [2022-11-25 15:36:46,830 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (or (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,830 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 15:36:46,830 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-25 15:36:46,830 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-11-25 15:36:46,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:36:46,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-25 15:36:46,831 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 15:36:46,831 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-11-25 15:36:46,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-25 15:36:46,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-25 15:36:46,832 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2022-11-25 15:36:46,832 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-11-25 15:36:46,832 INFO L902 garLoopResultBuilder]: At program point staticReturnsTrueENTRY(lines 1548 1551) the Hoare annotation is: true [2022-11-25 15:36:46,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:36:46,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:36:46,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:36:46 BoogieIcfgContainer [2022-11-25 15:36:46,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:36:46,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:36:46,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:36:46,852 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:36:46,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:40" (3/4) ... [2022-11-25 15:36:46,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:36:46,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 15:36:46,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-11-25 15:36:46,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 15:36:46,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-25 15:36:46,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 15:36:46,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 15:36:46,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 15:36:46,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:36:46,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:36:46,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:36:46,940 INFO L158 Benchmark]: Toolchain (without parser) took 8630.97ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 103.4MB in the beginning and 102.8MB in the end (delta: 562.0kB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,940 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:36:46,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.54ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 76.5MB in the end (delta: 26.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.52ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,942 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 136.3MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,942 INFO L158 Benchmark]: RCFGBuilder took 588.30ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 72.3MB in the beginning and 157.8MB in the end (delta: -85.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,942 INFO L158 Benchmark]: TraceAbstraction took 6273.28ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 107.1MB in the end (delta: 49.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,943 INFO L158 Benchmark]: Witness Printer took 87.93ms. Allocated memory is still 192.9MB. Free memory was 107.1MB in the beginning and 102.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:36:46,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.54ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 76.5MB in the end (delta: 26.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.52ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 136.3MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.30ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 72.3MB in the beginning and 157.8MB in the end (delta: -85.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6273.28ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 107.1MB in the end (delta: 49.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 87.93ms. Allocated memory is still 192.9MB. Free memory was 107.1MB in the beginning and 102.8MB 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 77 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 2002 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 954 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 1048 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 109 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 90 PreInvPairs, 109 NumberOfFragments, 117 HoareAnnotationTreeSize, 90 FomulaSimplifications, 138 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 1275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1477 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 528/556 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 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 15:36:46,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71e8ae17-8d94-4015-b098-ecf4ad0af771/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