./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_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_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/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_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/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_b40d3414-d3b0-4480-9a94-4e52ae839796/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 14e715d25275665b774fe47d7ef39a3277b32bc877175cc1f4bd24e3d90e2077 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:33:21,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:33:21,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:33:21,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:33:21,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:33:21,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:33:21,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:33:21,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:33:21,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:33:21,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:33:21,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:33:21,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:33:21,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:33:21,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:33:21,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:33:21,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:33:21,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:33:21,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:33:21,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:33:21,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:33:21,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:33:21,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:33:21,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:33:21,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:33:21,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:33:21,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:33:21,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:33:21,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:33:21,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:33:21,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:33:21,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:33:21,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:33:21,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:33:21,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:33:21,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:33:21,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:33:21,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:33:21,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:33:21,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:33:21,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:33:21,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:33:21,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:33:21,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:33:21,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:33:21,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:33:21,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:33:21,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:33:21,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:33:21,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:33:21,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:33:21,892 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:33:21,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:33:21,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:33:21,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:33:21,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:33:21,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:33:21,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:33:21,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:33:21,895 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:33:21,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:33:21,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:33:21,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:33:21,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:33:21,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:33:21,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:33:21,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:33:21,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:33:21,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:33:21,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:33:21,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:33:21,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:33:21,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:33:21,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:33:21,900 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:33:21,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:33:21,901 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_b40d3414-d3b0-4480-9a94-4e52ae839796/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e715d25275665b774fe47d7ef39a3277b32bc877175cc1f4bd24e3d90e2077 [2022-11-25 18:33:22,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:33:22,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:33:22,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:33:22,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:33:22,319 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:33:22,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i [2022-11-25 18:33:26,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:33:26,539 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:33:26,540 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i [2022-11-25 18:33:26,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/data/51fab1eae/d81d179de7764075b34a4a38ff1f8d57/FLAGd42a2f55e [2022-11-25 18:33:26,583 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/data/51fab1eae/d81d179de7764075b34a4a38ff1f8d57 [2022-11-25 18:33:26,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:33:26,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:33:26,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:33:26,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:33:26,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:33:26,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:33:26" (1/1) ... [2022-11-25 18:33:26,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1d8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:26, skipping insertion in model container [2022-11-25 18:33:26,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:33:26" (1/1) ... [2022-11-25 18:33:26,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:33:26,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:33:27,131 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:33:27,826 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:33:27,832 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:33:27,835 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:33:27,838 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:33:27,839 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:33:27,902 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:33:27,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:33:27,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:33:27,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:33:28,028 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:33:28,037 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:33:28,039 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:33:28,042 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:33:28,043 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:33:28,056 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:33:28,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:33:28,245 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:33:28,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28 WrapperNode [2022-11-25 18:33:28,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:33:28,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:33:28,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:33:28,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:33:28,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,378 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-25 18:33:28,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:33:28,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:33:28,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:33:28,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:33:28,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:33:28,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:33:28,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:33:28,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:33:28,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (1/1) ... [2022-11-25 18:33:28,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:33:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:28,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:33:28,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:33:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 18:33:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 18:33:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:33:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:33:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:33:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:33:28,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:33:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:33:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:33:28,821 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:33:28,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:33:29,120 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:33:29,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:33:29,128 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:33:29,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:29 BoogieIcfgContainer [2022-11-25 18:33:29,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:33:29,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:33:29,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:33:29,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:33:29,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:33:26" (1/3) ... [2022-11-25 18:33:29,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7a886f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:33:29, skipping insertion in model container [2022-11-25 18:33:29,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:33:28" (2/3) ... [2022-11-25 18:33:29,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7a886f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:33:29, skipping insertion in model container [2022-11-25 18:33:29,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:29" (3/3) ... [2022-11-25 18:33:29,142 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_09_good.i [2022-11-25 18:33:29,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:33:29,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 18:33:29,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:33:29,264 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;@4a48468b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:33:29,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 18:33:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 18:33:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 18:33:29,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:29,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:29,284 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 18:33:29,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash 332326054, now seen corresponding path program 1 times [2022-11-25 18:33:29,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:29,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349872400] [2022-11-25 18:33:29,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:29,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:29,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349872400] [2022-11-25 18:33:29,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349872400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:29,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:29,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:33:29,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647863915] [2022-11-25 18:33:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:29,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:29,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:29,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:29,789 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:29,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:29,853 INFO L93 Difference]: Finished difference Result 111 states and 148 transitions. [2022-11-25 18:33:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:29,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 18:33:29,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:29,866 INFO L225 Difference]: With dead ends: 111 [2022-11-25 18:33:29,867 INFO L226 Difference]: Without dead ends: 51 [2022-11-25 18:33:29,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:29,875 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:29,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 67 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:29,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-25 18:33:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-25 18:33:29,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 18:33:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-25 18:33:29,933 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 12 [2022-11-25 18:33:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:29,935 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-25 18:33:29,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-25 18:33:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:33:29,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:29,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:29,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:33:29,939 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 18:33:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1267729675, now seen corresponding path program 1 times [2022-11-25 18:33:29,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:29,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099415472] [2022-11-25 18:33:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:29,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:30,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:30,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099415472] [2022-11-25 18:33:30,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099415472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:30,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:30,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:30,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669656831] [2022-11-25 18:33:30,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:30,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:30,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:30,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:30,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,211 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:30,248 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-11-25 18:33:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 18:33:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:30,251 INFO L225 Difference]: With dead ends: 51 [2022-11-25 18:33:30,251 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 18:33:30,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,254 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 34 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 74 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 18:33:30,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 74 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:30,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 18:33:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 18:33:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.393939393939394) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 18:33:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-25 18:33:30,266 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 14 [2022-11-25 18:33:30,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:30,267 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-25 18:33:30,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-25 18:33:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 18:33:30,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:30,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:30,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:33:30,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 18:33:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash 644914331, now seen corresponding path program 1 times [2022-11-25 18:33:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:30,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326528840] [2022-11-25 18:33:30,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:30,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:30,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326528840] [2022-11-25 18:33:30,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326528840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:30,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:30,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496348574] [2022-11-25 18:33:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:30,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:30,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,350 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:30,379 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2022-11-25 18:33:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 18:33:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:30,382 INFO L225 Difference]: With dead ends: 78 [2022-11-25 18:33:30,383 INFO L226 Difference]: Without dead ends: 77 [2022-11-25 18:33:30,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,385 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:30,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 114 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:30,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-25 18:33:30,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 49. [2022-11-25 18:33:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 18:33:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2022-11-25 18:33:30,401 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 15 [2022-11-25 18:33:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:30,401 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-25 18:33:30,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:33:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-25 18:33:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 18:33:30,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:30,404 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:30,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:33:30,405 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 18:33:30,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash 881836552, now seen corresponding path program 1 times [2022-11-25 18:33:30,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:30,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500221604] [2022-11-25 18:33:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:33:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:33:30,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:30,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500221604] [2022-11-25 18:33:30,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500221604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:30,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:30,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:33:30,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114576233] [2022-11-25 18:33:30,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:30,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:30,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:30,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:30,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,514 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:33:30,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:30,531 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2022-11-25 18:33:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:30,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-25 18:33:30,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:30,534 INFO L225 Difference]: With dead ends: 83 [2022-11-25 18:33:30,534 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 18:33:30,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,537 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 53 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 18:33:30,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:30,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 18:33:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-25 18:33:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.303030303030303) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:33:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-25 18:33:30,550 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 24 [2022-11-25 18:33:30,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:30,551 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-25 18:33:30,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:33:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-25 18:33:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 18:33:30,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:30,553 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:30,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:33:30,554 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 18:33:30,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1942028122, now seen corresponding path program 1 times [2022-11-25 18:33:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:30,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655054454] [2022-11-25 18:33:30,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:30,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:33:30,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:30,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655054454] [2022-11-25 18:33:30,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655054454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:30,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:30,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:30,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362463775] [2022-11-25 18:33:30,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:30,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:30,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:30,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:30,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,743 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:33:30,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:30,762 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-11-25 18:33:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:30,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-25 18:33:30,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:30,764 INFO L225 Difference]: With dead ends: 47 [2022-11-25 18:33:30,765 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 18:33:30,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,767 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 20 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 76 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 18:33:30,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 76 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:30,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 18:33:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-25 18:33:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 39 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:33:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-11-25 18:33:30,778 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 25 [2022-11-25 18:33:30,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:30,778 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-11-25 18:33:30,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:33:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-25 18:33:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 18:33:30,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:30,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:30,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:33:30,781 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 18:33:30,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:30,782 INFO L85 PathProgramCache]: Analyzing trace with hash 73329737, now seen corresponding path program 1 times [2022-11-25 18:33:30,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:30,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506293175] [2022-11-25 18:33:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:33:30,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:30,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506293175] [2022-11-25 18:33:30,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506293175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:30,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:30,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:30,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60577890] [2022-11-25 18:33:30,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:30,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:30,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:30,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:30,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,889 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:33:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:30,909 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-11-25 18:33:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 18:33:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:30,912 INFO L225 Difference]: With dead ends: 61 [2022-11-25 18:33:30,912 INFO L226 Difference]: Without dead ends: 60 [2022-11-25 18:33:30,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:30,914 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:30,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 101 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:30,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-25 18:33:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45. [2022-11-25 18:33:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 38 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:33:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-11-25 18:33:30,925 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 26 [2022-11-25 18:33:30,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:30,925 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-11-25 18:33:30,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:33:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-25 18:33:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 18:33:30,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:30,927 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:30,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:33:30,928 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 18:33:30,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash 745918815, now seen corresponding path program 1 times [2022-11-25 18:33:30,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:30,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773524328] [2022-11-25 18:33:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:30,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:33:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:33:31,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:31,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773524328] [2022-11-25 18:33:31,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773524328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:31,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:31,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:31,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357493551] [2022-11-25 18:33:31,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:31,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:31,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:31,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:31,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:31,037 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:33:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:31,072 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-11-25 18:33:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:31,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-11-25 18:33:31,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:31,081 INFO L225 Difference]: With dead ends: 45 [2022-11-25 18:33:31,081 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 18:33:31,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:31,085 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:31,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 88 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 18:33:31,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 18:33:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 36 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 18:33:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2022-11-25 18:33:31,110 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 33 [2022-11-25 18:33:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:31,111 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2022-11-25 18:33:31,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:33:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-11-25 18:33:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:33:31,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:31,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:31,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:33:31,114 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 18:33:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:31,115 INFO L85 PathProgramCache]: Analyzing trace with hash 914121248, now seen corresponding path program 1 times [2022-11-25 18:33:31,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:31,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941273736] [2022-11-25 18:33:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:33:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:33:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:33:31,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:31,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941273736] [2022-11-25 18:33:31,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941273736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:31,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:31,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:33:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57660931] [2022-11-25 18:33:31,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:31,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:33:31,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:31,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:33:31,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:31,288 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 18:33:31,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:31,329 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-11-25 18:33:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:33:31,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-25 18:33:31,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:31,331 INFO L225 Difference]: With dead ends: 43 [2022-11-25 18:33:31,331 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:33:31,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:33:31,333 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 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 18:33:31,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:33:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:33:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:33:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:33:31,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-25 18:33:31,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:31,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:33:31,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 18:33:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:33:31,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:33:31,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 18:33:31,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 18:33:31,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 18:33:31,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 18:33:31,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 18:33:31,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 18:33:31,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 18:33:31,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 18:33:31,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:33:31,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:33:31,525 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 18:33:31,525 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:33:31,525 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 18:33:31,526 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:33:31,526 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:33:31,526 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 18:33:31,526 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:33:31,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-25 18:33:31,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-25 18:33:31,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-25 18:33:31,527 INFO L899 garLoopResultBuilder]: For program point L1630(lines 1630 1636) no Hoare annotation was computed. [2022-11-25 18:33:31,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:33:31,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:33:31,528 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-25 18:33:31,528 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-25 18:33:31,528 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2022-11-25 18:33:31,528 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2022-11-25 18:33:31,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-25 18:33:31,529 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1605) no Hoare annotation was computed. [2022-11-25 18:33:31,529 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-25 18:33:31,529 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1595 1613) no Hoare annotation was computed. [2022-11-25 18:33:31,530 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-25 18:33:31,530 INFO L895 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2022-11-25 18:33:31,530 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2022-11-25 18:33:31,530 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-25 18:33:31,530 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2022-11-25 18:33:31,531 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2022-11-25 18:33:31,531 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-25 18:33:31,531 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-11-25 18:33:31,531 INFO L895 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-11-25 18:33:31,531 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-25 18:33:31,532 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2022-11-25 18:33:31,532 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2022-11-25 18:33:31,532 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:33:31,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-25 18:33:31,532 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1621) no Hoare annotation was computed. [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1615 1629) no Hoare annotation was computed. [2022-11-25 18:33:31,533 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1572) no Hoare annotation was computed. [2022-11-25 18:33:31,534 INFO L895 garLoopResultBuilder]: At program point L1643(lines 1637 1644) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-11-25 18:33:31,534 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-25 18:33:31,534 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1580) no Hoare annotation was computed. [2022-11-25 18:33:31,534 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1574 1593) no Hoare annotation was computed. [2022-11-25 18:33:31,535 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-25 18:33:31,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:33:31,535 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1556 1571) no Hoare annotation was computed. [2022-11-25 18:33:31,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-25 18:33:31,535 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2022-11-25 18:33:31,536 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-25 18:33:31,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-25 18:33:31,536 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2022-11-25 18:33:31,536 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-25 18:33:31,536 INFO L899 garLoopResultBuilder]: For program point L1554-2(line 1554) no Hoare annotation was computed. [2022-11-25 18:33:31,537 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-25 18:33:31,537 INFO L899 garLoopResultBuilder]: For program point L1579-2(line 1579) no Hoare annotation was computed. [2022-11-25 18:33:31,537 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-25 18:33:31,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:31,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:33:31,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:33:31 BoogieIcfgContainer [2022-11-25 18:33:31,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:33:31,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:33:31,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:33:31,562 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:33:31,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:29" (3/4) ... [2022-11-25 18:33:31,566 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:33:31,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 18:33:31,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 18:33:31,581 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 18:33:31,582 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 18:33:31,582 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:33:31,582 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:33:31,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:33:31,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:33:31,640 INFO L158 Benchmark]: Toolchain (without parser) took 5051.62ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 79.2MB in the beginning and 116.4MB in the end (delta: -37.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,640 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:33:31,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.57ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 78.8MB in the beginning and 99.8MB in the end (delta: -21.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.73ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 96.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,641 INFO L158 Benchmark]: Boogie Preprocessor took 84.20ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,642 INFO L158 Benchmark]: RCFGBuilder took 663.74ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 76.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,642 INFO L158 Benchmark]: TraceAbstraction took 2427.93ms. Allocated memory is still 167.8MB. Free memory was 75.9MB in the beginning and 119.5MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:33:31,643 INFO L158 Benchmark]: Witness Printer took 77.56ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 116.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:33:31,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.57ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 78.8MB in the beginning and 99.8MB in the end (delta: -21.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.73ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 96.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.20ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 94.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.74ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 76.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2427.93ms. Allocated memory is still 167.8MB. Free memory was 75.9MB in the beginning and 119.5MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.56ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 116.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 666 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 444 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 43 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 33 PreInvPairs, 41 NumberOfFragments, 104 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 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: 1637]: Loop Invariant Derived loop invariant: GLOBAL_CONST_TRUE == 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 18:33:31,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d3414-d3b0-4480-9a94-4e52ae839796/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