./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS --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 c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 --- 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-4e7fbc6 [2022-11-23 04:09:25,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:09:25,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:09:25,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:09:25,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:09:25,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:09:25,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:09:25,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:09:25,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:09:25,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:09:25,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:09:25,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:09:25,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:09:25,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:09:25,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:09:25,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:09:25,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:09:25,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:09:25,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:09:25,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:09:25,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:09:25,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:09:25,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:09:25,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:09:25,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:09:25,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:09:25,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:09:25,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:09:25,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:09:25,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:09:25,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:09:25,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:09:25,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:09:25,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:09:25,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:09:25,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:09:25,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:09:25,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:09:25,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:09:25,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:09:25,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:09:25,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 04:09:25,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:09:25,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:09:25,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:09:25,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:09:25,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:09:25,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:09:25,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:09:25,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:09:25,231 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:09:25,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:09:25,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:09:25,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:09:25,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:09:25,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:09:25,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:09:25,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:09:25,234 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 04:09:25,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:09:25,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:09:25,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:09:25,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:09:25,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:09:25,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:09:25,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:09:25,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:09:25,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:09:25,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:09:25,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:09:25,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:09:25,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:09:25,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:09:25,258 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:09:25,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:09:25,258 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_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 [2022-11-23 04:09:25,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:09:25,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:09:25,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:09:25,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:09:25,528 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:09:25,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2022-11-23 04:09:28,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:09:29,057 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:09:29,058 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2022-11-23 04:09:29,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/data/e7f6ef2f1/532c73bf752a4ec9a10313935178808b/FLAG1e2b65296 [2022-11-23 04:09:29,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/data/e7f6ef2f1/532c73bf752a4ec9a10313935178808b [2022-11-23 04:09:29,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:09:29,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:09:29,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:09:29,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:09:29,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:09:29,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:29" (1/1) ... [2022-11-23 04:09:29,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a99d0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:29, skipping insertion in model container [2022-11-23 04:09:29,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:29" (1/1) ... [2022-11-23 04:09:29,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:09:29,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:09:29,719 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 04:09:30,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:09:30,311 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:09:30,348 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 04:09:30,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:09:30,610 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:09:30,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30 WrapperNode [2022-11-23 04:09:30,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:09:30,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:09:30,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:09:30,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:09:30,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,678 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2022-11-23 04:09:30,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:09:30,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:09:30,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:09:30,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:09:30,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:09:30,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:09:30,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:09:30,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:09:30,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (1/1) ... [2022-11-23 04:09:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:09:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:09:30,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:09:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:09:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 04:09:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 04:09:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 04:09:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 04:09:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:09:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 04:09:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 04:09:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:09:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:09:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 04:09:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:09:30,970 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:09:30,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:09:31,155 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:09:31,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:09:31,166 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 04:09:31,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:31 BoogieIcfgContainer [2022-11-23 04:09:31,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:09:31,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:09:31,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:09:31,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:09:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:29" (1/3) ... [2022-11-23 04:09:31,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754cb483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:31, skipping insertion in model container [2022-11-23 04:09:31,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:30" (2/3) ... [2022-11-23 04:09:31,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754cb483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:31, skipping insertion in model container [2022-11-23 04:09:31,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:31" (3/3) ... [2022-11-23 04:09:31,181 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_65_good.i [2022-11-23 04:09:31,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:09:31,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 04:09:31,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:09:31,276 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;@38995b87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:09:31,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 04:09:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 29 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 04:09:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 04:09:31,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:31,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:31,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:31,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1303375289, now seen corresponding path program 1 times [2022-11-23 04:09:31,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:31,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139470160] [2022-11-23 04:09:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:31,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:31,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139470160] [2022-11-23 04:09:31,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139470160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:31,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:31,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 04:09:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567881669] [2022-11-23 04:09:31,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:31,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:09:31,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:09:31,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:09:31,968 INFO L87 Difference]: Start difference. First operand has 39 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 29 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:32,077 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2022-11-23 04:09:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:09:32,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 04:09:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:32,088 INFO L225 Difference]: With dead ends: 59 [2022-11-23 04:09:32,088 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 04:09:32,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:09:32,094 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:09:32,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 195 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 04:09:32,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2022-11-23 04:09:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 30 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 04:09:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-23 04:09:32,137 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 12 [2022-11-23 04:09:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:32,138 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-23 04:09:32,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-11-23 04:09:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 04:09:32,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:32,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:32,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:09:32,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:32,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1749928215, now seen corresponding path program 1 times [2022-11-23 04:09:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:32,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171454741] [2022-11-23 04:09:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:32,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:32,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171454741] [2022-11-23 04:09:32,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171454741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:32,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:32,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 04:09:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886246784] [2022-11-23 04:09:32,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:32,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:09:32,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:32,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:09:32,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:09:32,323 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:32,421 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-23 04:09:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:09:32,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 04:09:32,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:32,426 INFO L225 Difference]: With dead ends: 44 [2022-11-23 04:09:32,426 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 04:09:32,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:09:32,435 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 33 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:09:32,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 132 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 04:09:32,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2022-11-23 04:09:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 04:09:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-23 04:09:32,448 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 13 [2022-11-23 04:09:32,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:32,448 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-23 04:09:32,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-23 04:09:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 04:09:32,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:32,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:32,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:09:32,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:32,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:32,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1749943078, now seen corresponding path program 1 times [2022-11-23 04:09:32,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:32,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788790021] [2022-11-23 04:09:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:32,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:32,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788790021] [2022-11-23 04:09:32,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788790021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:32,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:32,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:09:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900066991] [2022-11-23 04:09:32,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:32,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:09:32,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:32,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:09:32,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:09:32,502 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:32,527 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-23 04:09:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:09:32,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 04:09:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:32,529 INFO L225 Difference]: With dead ends: 42 [2022-11-23 04:09:32,529 INFO L226 Difference]: Without dead ends: 41 [2022-11-23 04:09:32,532 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 [2022-11-23 04:09:32,533 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 65 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 [2022-11-23 04:09:32,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 65 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-23 04:09:32,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-23 04:09:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 29 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 04:09:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-23 04:09:32,544 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 13 [2022-11-23 04:09:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:32,545 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-23 04:09:32,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-23 04:09:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 04:09:32,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:32,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:32,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:09:32,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1586339498, now seen corresponding path program 1 times [2022-11-23 04:09:32,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:32,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088841993] [2022-11-23 04:09:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:32,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:32,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088841993] [2022-11-23 04:09:32,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088841993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:32,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:32,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 04:09:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113570539] [2022-11-23 04:09:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:32,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:09:32,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:09:32,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:09:32,667 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:32,694 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2022-11-23 04:09:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:09:32,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-23 04:09:32,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:32,696 INFO L225 Difference]: With dead ends: 59 [2022-11-23 04:09:32,696 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 04:09:32,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:09:32,698 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:09:32,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 04:09:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-23 04:09:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:09:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-11-23 04:09:32,705 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 14 [2022-11-23 04:09:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:32,706 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2022-11-23 04:09:32,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 04:09:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-11-23 04:09:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 04:09:32,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:32,707 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:32,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:09:32,708 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:32,708 INFO L85 PathProgramCache]: Analyzing trace with hash -939538685, now seen corresponding path program 1 times [2022-11-23 04:09:32,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:32,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536014995] [2022-11-23 04:09:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 04:09:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:09:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:32,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:32,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536014995] [2022-11-23 04:09:32,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536014995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:32,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:32,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 04:09:32,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373086759] [2022-11-23 04:09:32,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:09:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:32,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:09:32,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:09:32,899 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 04:09:32,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:32,925 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2022-11-23 04:09:32,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:09:32,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-23 04:09:32,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:32,930 INFO L225 Difference]: With dead ends: 32 [2022-11-23 04:09:32,934 INFO L226 Difference]: Without dead ends: 28 [2022-11-23 04:09:32,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:09:32,935 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:09:32,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 70 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-23 04:09:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-23 04:09:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 04:09:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-11-23 04:09:32,941 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25 [2022-11-23 04:09:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:32,942 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-11-23 04:09:32,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 04:09:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-11-23 04:09:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 04:09:32,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:09:32,948 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:09:32,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:09:32,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 04:09:32,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:09:32,949 INFO L85 PathProgramCache]: Analyzing trace with hash -954002330, now seen corresponding path program 1 times [2022-11-23 04:09:32,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:09:32,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542386884] [2022-11-23 04:09:32,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:09:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:09:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:09:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 04:09:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 04:09:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:09:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:09:33,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:09:33,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542386884] [2022-11-23 04:09:33,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542386884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:09:33,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:09:33,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 04:09:33,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767021293] [2022-11-23 04:09:33,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:09:33,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:09:33,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:09:33,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:09:33,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:09:33,182 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 04:09:33,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:09:33,216 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-11-23 04:09:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 04:09:33,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-23 04:09:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:09:33,217 INFO L225 Difference]: With dead ends: 28 [2022-11-23 04:09:33,217 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 04:09:33,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 04:09:33,219 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:09:33,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 106 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:09:33,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 04:09:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 04:09:33,220 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) [2022-11-23 04:09:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 04:09:33,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-23 04:09:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:09:33,221 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 04:09:33,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 04:09:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 04:09:33,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 04:09:33,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 04:09:33,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 04:09:33,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 04:09:33,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 04:09:33,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 04:09:33,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 04:09:33,315 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 04:09:33,315 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 04:09:33,315 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,316 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1570) no Hoare annotation was computed. [2022-11-23 04:09:33,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,317 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset|) (<= .cse0 0) (<= (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648) 0) (<= |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|))) [2022-11-23 04:09:33,317 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-23 04:09:33,318 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset|) (<= .cse0 0))) [2022-11-23 04:09:33,318 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-23 04:09:33,318 INFO L895 garLoopResultBuilder]: At program point L1577(lines 1571 1578) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-23 04:09:33,318 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-23 04:09:33,318 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-23 04:09:33,319 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-23 04:09:33,319 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-23 04:09:33,319 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-11-23 04:09:33,321 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-23 04:09:33,321 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2022-11-23 04:09:33,321 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-23 04:09:33,322 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-23 04:09:33,322 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-23 04:09:33,322 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,323 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-23 04:09:33,323 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 04:09:33,323 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,323 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-23 04:09:33,324 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~93#1|))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset|)))) [2022-11-23 04:09:33,325 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1586 1597) no Hoare annotation was computed. [2022-11-23 04:09:33,325 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~93#1|))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset|)))) [2022-11-23 04:09:33,325 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-23 04:09:33,325 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~93#1|))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (let ((.cse1 (+ 2 |##fun~int~TO~VOID_#~93#1|)) (.cse2 (+ 2 |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink_~data#1|))) (and (<= 0 .cse1) (<= 0 .cse2) (<= .cse1 0) (<= .cse2 0))) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset|)))) [2022-11-23 04:09:33,325 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-23 04:09:33,326 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1579 1585) no Hoare annotation was computed. [2022-11-23 04:09:33,329 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 04:09:33,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:09:33,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:33 BoogieIcfgContainer [2022-11-23 04:09:33,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:09:33,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:09:33,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:09:33,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:09:33,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:31" (3/4) ... [2022-11-23 04:09:33,349 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 04:09:33,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 04:09:33,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 04:09:33,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-23 04:09:33,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-23 04:09:33,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 04:09:33,362 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 04:09:33,362 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 04:09:33,397 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 04:09:33,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:09:33,397 INFO L158 Benchmark]: Toolchain (without parser) took 4280.92ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 127.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,398 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:09:33,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.97ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 150.5MB in the end (delta: 5.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.22ms. Allocated memory is still 186.6MB. Free memory was 150.5MB in the beginning and 147.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,399 INFO L158 Benchmark]: Boogie Preprocessor took 50.17ms. Allocated memory is still 186.6MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,399 INFO L158 Benchmark]: RCFGBuilder took 437.01ms. Allocated memory is still 186.6MB. Free memory was 145.5MB in the beginning and 132.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,399 INFO L158 Benchmark]: TraceAbstraction took 2171.73ms. Allocated memory is still 186.6MB. Free memory was 132.5MB in the beginning and 129.2MB in the end (delta: 3.3MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,399 INFO L158 Benchmark]: Witness Printer took 53.96ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:09:33,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.97ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 150.5MB in the end (delta: 5.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.22ms. Allocated memory is still 186.6MB. Free memory was 150.5MB in the beginning and 147.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.17ms. Allocated memory is still 186.6MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.01ms. Allocated memory is still 186.6MB. Free memory was 145.5MB in the beginning and 132.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2171.73ms. Allocated memory is still 186.6MB. Free memory was 132.5MB in the beginning and 129.2MB in the end (delta: 3.3MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 53.96ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 635 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 185 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 131 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-11-23 04:09:33,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f609520a-0b16-4c99-b2d8-4e0a612d8907/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE