./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/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_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/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_023976b8-05ca-40a6-a565-ee571c62cb7e/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 01fc94483e275b35551c05d85ddc470ce9e44963cb741226afe5c892aff574f7 --- 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 17:50:01,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:50:01,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:50:01,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:50:01,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:50:01,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:50:01,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:50:01,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:50:01,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:50:01,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:50:01,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:50:01,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:50:01,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:50:01,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:50:01,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:50:01,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:50:01,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:50:01,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:50:01,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:50:01,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:50:01,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:50:01,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:50:01,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:50:01,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:50:01,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:50:01,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:50:01,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:50:01,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:50:01,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:50:01,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:50:01,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:50:01,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:50:01,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:50:01,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:50:01,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:50:01,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:50:01,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:50:01,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:50:01,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:50:01,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:50:01,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:50:01,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:50:01,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:50:01,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:50:01,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:50:01,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:50:01,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:50:01,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:50:01,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:50:01,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:50:01,213 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:50:01,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:50:01,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:50:01,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:50:01,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:50:01,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:50:01,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:50:01,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:50:01,215 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:50:01,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:50:01,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:50:01,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:50:01,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:50:01,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:50:01,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:50:01,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:01,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:50:01,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:50:01,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:50:01,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:50:01,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:50:01,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:50:01,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:50:01,218 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:50:01,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:50:01,220 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_023976b8-05ca-40a6-a565-ee571c62cb7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01fc94483e275b35551c05d85ddc470ce9e44963cb741226afe5c892aff574f7 [2022-11-25 17:50:01,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:50:01,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:50:01,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:50:01,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:50:01,526 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:50:01,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_good.i [2022-11-25 17:50:04,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:50:05,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:50:05,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_good.i [2022-11-25 17:50:05,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/data/0ecef6268/77d85032681d47e98cb54b911ffd68c3/FLAG864400b18 [2022-11-25 17:50:05,146 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/data/0ecef6268/77d85032681d47e98cb54b911ffd68c3 [2022-11-25 17:50:05,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:50:05,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:50:05,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:05,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:50:05,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:50:05,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:05" (1/1) ... [2022-11-25 17:50:05,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5564e001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:05, skipping insertion in model container [2022-11-25 17:50:05,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:05" (1/1) ... [2022-11-25 17:50:05,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:50:05,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:50:05,663 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:06,333 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:06,344 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:06,348 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:06,360 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:06,361 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:06,405 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:06,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:06,424 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:50:06,446 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:06,497 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:06,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:06,500 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:06,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:06,504 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:06,511 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:06,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:06,634 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:50:06,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06 WrapperNode [2022-11-25 17:50:06,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:06,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:06,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:50:06,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:50:06,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,730 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 110 [2022-11-25 17:50:06,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:06,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:50:06,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:50:06,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:50:06,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:50:06,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:50:06,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:50:06,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:50:06,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (1/1) ... [2022-11-25 17:50:06,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:06,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:50:06,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:50:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:50:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:50:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:50:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:50:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:50:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:50:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:50:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:50:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:50:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:50:07,090 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:50:07,092 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:50:07,494 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:50:07,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:50:07,502 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:50:07,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:07 BoogieIcfgContainer [2022-11-25 17:50:07,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:50:07,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:50:07,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:50:07,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:50:07,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:05" (1/3) ... [2022-11-25 17:50:07,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:07, skipping insertion in model container [2022-11-25 17:50:07,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:06" (2/3) ... [2022-11-25 17:50:07,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:07, skipping insertion in model container [2022-11-25 17:50:07,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:07" (3/3) ... [2022-11-25 17:50:07,519 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_22_good.i [2022-11-25 17:50:07,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:50:07,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 17:50:07,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:50:07,608 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;@2f674184, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:50:07,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 17:50:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 17:50:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:50:07,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:07,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:07,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:07,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -168397988, now seen corresponding path program 1 times [2022-11-25 17:50:07,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:07,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875076410] [2022-11-25 17:50:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:07,984 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 17:50:07,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:07,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875076410] [2022-11-25 17:50:07,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875076410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:07,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:07,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918732430] [2022-11-25 17:50:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:07,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:07,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:08,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:08,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:08,051 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:50:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:08,093 INFO L93 Difference]: Finished difference Result 78 states and 98 transitions. [2022-11-25 17:50:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:08,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 17:50:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:08,112 INFO L225 Difference]: With dead ends: 78 [2022-11-25 17:50:08,112 INFO L226 Difference]: Without dead ends: 59 [2022-11-25 17:50:08,116 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 17:50:08,119 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:08,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:08,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-25 17:50:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 40. [2022-11-25 17:50:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 17:50:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2022-11-25 17:50:08,186 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 13 [2022-11-25 17:50:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:08,188 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-25 17:50:08,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:50:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-25 17:50:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:50:08,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:08,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:08,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:50:08,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:08,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:08,196 INFO L85 PathProgramCache]: Analyzing trace with hash -925370268, now seen corresponding path program 1 times [2022-11-25 17:50:08,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:08,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791366930] [2022-11-25 17:50:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:08,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,564 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 17:50:08,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:08,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791366930] [2022-11-25 17:50:08,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791366930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:08,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:08,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:08,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760557657] [2022-11-25 17:50:08,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:08,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:08,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:08,569 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:50:08,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:08,584 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-11-25 17:50:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:08,585 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 17:50:08,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:08,588 INFO L225 Difference]: With dead ends: 40 [2022-11-25 17:50:08,588 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 17:50:08,589 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 17:50:08,594 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 22 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:08,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 17:50:08,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-25 17:50:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 17:50:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-11-25 17:50:08,607 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 14 [2022-11-25 17:50:08,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:08,609 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-25 17:50:08,609 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 17:50:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-25 17:50:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:50:08,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:08,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:08,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:50:08,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash -677212018, now seen corresponding path program 1 times [2022-11-25 17:50:08,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:08,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106823774] [2022-11-25 17:50:08,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:08,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:50:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,783 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 17:50:08,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:08,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106823774] [2022-11-25 17:50:08,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106823774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:08,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:08,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:50:08,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10570672] [2022-11-25 17:50:08,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:08,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:08,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:08,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:08,792 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:50:08,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:08,819 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2022-11-25 17:50:08,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:08,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-25 17:50:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:08,823 INFO L225 Difference]: With dead ends: 65 [2022-11-25 17:50:08,823 INFO L226 Difference]: Without dead ends: 38 [2022-11-25 17:50:08,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:08,825 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:08,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 45 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-25 17:50:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-25 17:50:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:50:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-25 17:50:08,833 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2022-11-25 17:50:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:08,834 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-25 17:50:08,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:50:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-25 17:50:08,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:50:08,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:08,835 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 17:50:08,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:50:08,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:08,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1820048040, now seen corresponding path program 1 times [2022-11-25 17:50:08,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:08,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996705217] [2022-11-25 17:50:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:50:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:08,910 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 17:50:08,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:08,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996705217] [2022-11-25 17:50:08,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996705217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:08,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:08,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053577582] [2022-11-25 17:50:08,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:08,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:08,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:08,913 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:50:08,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:08,927 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-11-25 17:50:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:08,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-25 17:50:08,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:08,929 INFO L225 Difference]: With dead ends: 45 [2022-11-25 17:50:08,929 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 17:50:08,930 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 17:50:08,931 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:08,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 86 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 17:50:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-11-25 17:50:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:50:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-25 17:50:08,939 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 24 [2022-11-25 17:50:08,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:08,940 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-25 17:50:08,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:50:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-25 17:50:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:50:08,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:08,941 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 17:50:08,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:50:08,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:08,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash -586914303, now seen corresponding path program 1 times [2022-11-25 17:50:08,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:08,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583646404] [2022-11-25 17:50:08,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:08,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:50:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,188 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 17:50:09,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:09,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583646404] [2022-11-25 17:50:09,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583646404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:09,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:09,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:09,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674283453] [2022-11-25 17:50:09,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:09,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:09,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:09,203 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:50:09,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:09,239 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-25 17:50:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:09,240 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 17:50:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:09,242 INFO L225 Difference]: With dead ends: 37 [2022-11-25 17:50:09,242 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 17:50:09,242 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 17:50:09,245 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:09,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 69 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 17:50:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-25 17:50:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:50:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2022-11-25 17:50:09,262 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 25 [2022-11-25 17:50:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:09,263 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-25 17:50:09,263 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 17:50:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-25 17:50:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:50:09,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:09,266 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 17:50:09,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:50:09,266 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:09,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1001144600, now seen corresponding path program 1 times [2022-11-25 17:50:09,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:09,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021101637] [2022-11-25 17:50:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:50:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,366 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 17:50:09,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:09,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021101637] [2022-11-25 17:50:09,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021101637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:09,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:09,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:50:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006608186] [2022-11-25 17:50:09,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:09,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:09,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:09,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:09,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:09,371 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:50:09,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:09,400 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-11-25 17:50:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:09,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 17:50:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:09,406 INFO L225 Difference]: With dead ends: 50 [2022-11-25 17:50:09,406 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 17:50:09,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:09,409 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 21 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:09,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 74 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 17:50:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 17:50:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:50:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-25 17:50:09,433 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 26 [2022-11-25 17:50:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:09,433 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-25 17:50:09,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:50:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-25 17:50:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:50:09,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:09,437 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:09,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:50:09,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:09,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1001620357, now seen corresponding path program 1 times [2022-11-25 17:50:09,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:09,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982459298] [2022-11-25 17:50:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:50:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:50:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:50:09,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:09,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982459298] [2022-11-25 17:50:09,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982459298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:09,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:09,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:09,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924135295] [2022-11-25 17:50:09,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:09,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:09,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:09,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:09,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:09,608 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:50:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:09,625 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-25 17:50:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:09,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-25 17:50:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:09,630 INFO L225 Difference]: With dead ends: 43 [2022-11-25 17:50:09,631 INFO L226 Difference]: Without dead ends: 42 [2022-11-25 17:50:09,631 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 17:50:09,635 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:09,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 78 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-25 17:50:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-25 17:50:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.1875) internal successors, (38), 34 states have internal predecessors, (38), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:50:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-11-25 17:50:09,661 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 32 [2022-11-25 17:50:09,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:09,662 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-11-25 17:50:09,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:50:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-25 17:50:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 17:50:09,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:09,665 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 17:50:09,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:50:09,668 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 17:50:09,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:09,669 INFO L85 PathProgramCache]: Analyzing trace with hash 985460102, now seen corresponding path program 1 times [2022-11-25 17:50:09,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:09,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568150130] [2022-11-25 17:50:09,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:50:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:50:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:09,800 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 17:50:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568150130] [2022-11-25 17:50:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568150130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:09,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:09,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848150966] [2022-11-25 17:50:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:09,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:09,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:09,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:09,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:09,804 INFO L87 Difference]: Start difference. First operand 42 states and 48 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 17:50:09,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:09,817 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-25 17:50:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:09,818 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 17:50:09,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:09,820 INFO L225 Difference]: With dead ends: 42 [2022-11-25 17:50:09,820 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:50:09,822 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 17:50:09,824 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:09,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:50:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:50:09,826 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 17:50:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:50:09,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-25 17:50:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:09,827 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:50:09,829 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 17:50:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:50:09,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:50:09,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 17:50:09,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 17:50:09,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 17:50:09,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 17:50:09,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 17:50:09,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 17:50:09,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:50:09,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:50:09,916 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 17:50:09,916 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:50:09,917 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 17:50:09,917 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:50:09,917 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:50:09,917 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 17:50:09,917 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:50:09,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1620) no Hoare annotation was computed. [2022-11-25 17:50:09,918 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1638) no Hoare annotation was computed. [2022-11-25 17:50:09,918 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G2Global~0 1) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G2Sink_~data#1| 2147483647)) [2022-11-25 17:50:09,919 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Sink_~data#1| 2147483647) (not (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G2Sink_~data#1| 2147483648) 0)) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G2Global~0 1) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G2Sink_~data#1| 2147483647)) [2022-11-25 17:50:09,919 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-11-25 17:50:09,919 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2022-11-25 17:50:09,920 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-11-25 17:50:09,920 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2022-11-25 17:50:09,920 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:50:09,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-25 17:50:09,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:50:09,921 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1612) no Hoare annotation was computed. [2022-11-25 17:50:09,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-25 17:50:09,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:50:09,922 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-25 17:50:09,922 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-25 17:50:09,923 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 17:50:09,923 INFO L899 garLoopResultBuilder]: For program point L1556-2(line 1556) no Hoare annotation was computed. [2022-11-25 17:50:09,923 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1626) no Hoare annotation was computed. [2022-11-25 17:50:09,923 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1559) no Hoare annotation was computed. [2022-11-25 17:50:09,924 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1628) no Hoare annotation was computed. [2022-11-25 17:50:09,924 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Global~0 0)) [2022-11-25 17:50:09,924 INFO L899 garLoopResultBuilder]: For program point L1610-1(lines 1597 1612) no Hoare annotation was computed. [2022-11-25 17:50:09,924 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Sink_~data#1| 2147483647) (not (<= (+ 2147483648 |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Sink_~data#1|) 0)) (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Global~0 0)) [2022-11-25 17:50:09,925 INFO L902 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: true [2022-11-25 17:50:09,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-25 17:50:09,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:50:09,925 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1637) no Hoare annotation was computed. [2022-11-25 17:50:09,925 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-11-25 17:50:09,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-25 17:50:09,926 INFO L899 garLoopResultBuilder]: For program point L1565-2(line 1565) no Hoare annotation was computed. [2022-11-25 17:50:09,926 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1568) no Hoare annotation was computed. [2022-11-25 17:50:09,926 INFO L902 garLoopResultBuilder]: At program point L1590(lines 1584 1591) the Hoare annotation is: true [2022-11-25 17:50:09,926 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1583) no Hoare annotation was computed. [2022-11-25 17:50:09,927 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1611) no Hoare annotation was computed. [2022-11-25 17:50:09,927 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-25 17:50:09,927 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-11-25 17:50:09,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1620) no Hoare annotation was computed. [2022-11-25 17:50:09,927 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2022-11-25 17:50:09,928 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= ~CWE191_Integer_Underflow__int_rand_sub_22_goodB2G1Global~0 0) [2022-11-25 17:50:09,928 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2022-11-25 17:50:09,928 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 17:50:09,928 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1627) no Hoare annotation was computed. [2022-11-25 17:50:09,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:09,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:50:09,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:50:09 BoogieIcfgContainer [2022-11-25 17:50:09,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:50:09,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:50:09,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:50:09,949 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:50:09,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:07" (3/4) ... [2022-11-25 17:50:09,954 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:50:09,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 17:50:09,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 17:50:09,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 17:50:09,972 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 17:50:09,972 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:50:09,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:50:10,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:50:10,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:50:10,066 INFO L158 Benchmark]: Toolchain (without parser) took 4911.88ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 91.4MB in the beginning and 197.4MB in the end (delta: -106.1MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,066 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:10,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.16ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 91.0MB in the beginning and 122.1MB in the end (delta: -31.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.23ms. Allocated memory is still 197.1MB. Free memory was 122.1MB in the beginning and 119.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,068 INFO L158 Benchmark]: Boogie Preprocessor took 35.60ms. Allocated memory is still 197.1MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,068 INFO L158 Benchmark]: RCFGBuilder took 736.83ms. Allocated memory is still 197.1MB. Free memory was 117.0MB in the beginning and 160.4MB in the end (delta: -43.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,068 INFO L158 Benchmark]: TraceAbstraction took 2441.32ms. Allocated memory is still 197.1MB. Free memory was 159.3MB in the beginning and 75.9MB in the end (delta: 83.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,069 INFO L158 Benchmark]: Witness Printer took 116.06ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 75.9MB in the beginning and 197.4MB in the end (delta: -121.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:50:10,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.16ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 91.0MB in the beginning and 122.1MB in the end (delta: -31.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.23ms. Allocated memory is still 197.1MB. Free memory was 122.1MB in the beginning and 119.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.60ms. Allocated memory is still 197.1MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.83ms. Allocated memory is still 197.1MB. Free memory was 117.0MB in the beginning and 160.4MB in the end (delta: -43.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2441.32ms. Allocated memory is still 197.1MB. Free memory was 159.3MB in the beginning and 75.9MB in the end (delta: 83.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 116.06ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 75.9MB in the beginning and 197.4MB in the end (delta: -121.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 611 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 369 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 21 PreInvPairs, 26 NumberOfFragments, 61 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:50:10,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023976b8-05ca-40a6-a565-ee571c62cb7e/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