./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8 --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 e2d2e2ac4e484b0235a8f12893dcd80ca2852ee2f6353aabc9057c4843f48eb9 --- 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-2329fc7 [2022-12-13 14:33:14,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:33:14,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:33:14,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:33:15,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:33:15,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:33:15,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:33:15,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:33:15,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:33:15,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:33:15,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:33:15,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:33:15,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:33:15,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:33:15,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:33:15,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:33:15,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:33:15,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:33:15,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:33:15,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:33:15,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:33:15,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:33:15,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:33:15,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:33:15,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:33:15,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:33:15,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:33:15,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:33:15,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:33:15,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:33:15,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:33:15,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:33:15,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:33:15,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:33:15,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:33:15,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:33:15,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:33:15,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:33:15,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:33:15,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:33:15,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:33:15,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:33:15,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:33:15,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:33:15,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:33:15,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:33:15,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:33:15,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:33:15,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:33:15,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:33:15,050 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:33:15,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:33:15,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:33:15,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:33:15,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:33:15,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:33:15,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:33:15,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:33:15,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:33:15,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:33:15,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:33:15,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:33:15,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:33:15,054 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:33:15,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:33:15,054 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:33:15,054 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_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d2e2ac4e484b0235a8f12893dcd80ca2852ee2f6353aabc9057c4843f48eb9 [2022-12-13 14:33:15,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:33:15,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:33:15,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:33:15,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:33:15,254 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:33:15,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_good.i [2022-12-13 14:33:17,830 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:33:18,097 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:33:18,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_good.i [2022-12-13 14:33:18,113 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/data/dfecd0c31/53e9294eb6a947edb8438b3fc12c4e59/FLAGba4212399 [2022-12-13 14:33:18,396 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/data/dfecd0c31/53e9294eb6a947edb8438b3fc12c4e59 [2022-12-13 14:33:18,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:33:18,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:33:18,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:33:18,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:33:18,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:33:18,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:33:18" (1/1) ... [2022-12-13 14:33:18,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df89a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:18, skipping insertion in model container [2022-12-13 14:33:18,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:33:18" (1/1) ... [2022-12-13 14:33:18,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:33:18,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:33:18,673 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:33:18,979 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:33:18,983 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:33:18,985 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:33:18,987 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:33:18,987 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:33:19,015 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:33:19,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:33:19,023 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:33:19,037 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:33:19,067 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:33:19,068 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:33:19,069 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:33:19,071 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:33:19,071 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:33:19,077 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:33:19,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:33:19,170 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:33:19,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19 WrapperNode [2022-12-13 14:33:19,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:33:19,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:33:19,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:33:19,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:33:19,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,216 INFO L138 Inliner]: procedures = 505, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-12-13 14:33:19,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:33:19,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:33:19,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:33:19,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:33:19,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:33:19,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:33:19,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:33:19,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:33:19,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (1/1) ... [2022-12-13 14:33:19,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:33:19,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:19,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:33:19,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:33:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 14:33:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 14:33:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:33:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:33:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 14:33:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-13 14:33:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:33:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:33:19,388 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:33:19,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:33:19,540 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:33:19,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:33:19,545 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:33:19,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:19 BoogieIcfgContainer [2022-12-13 14:33:19,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:33:19,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:33:19,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:33:19,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:33:19,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:33:18" (1/3) ... [2022-12-13 14:33:19,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ec0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:33:19, skipping insertion in model container [2022-12-13 14:33:19,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:33:19" (2/3) ... [2022-12-13 14:33:19,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ec0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:33:19, skipping insertion in model container [2022-12-13 14:33:19,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:19" (3/3) ... [2022-12-13 14:33:19,553 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_08_good.i [2022-12-13 14:33:19,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:33:19,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 14:33:19,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:33:19,607 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;@39f0462d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:33:19,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 14:33:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 61 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 14:33:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:33:19,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:19,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:19,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:19,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:19,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1082099486, now seen corresponding path program 1 times [2022-12-13 14:33:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:19,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873069210] [2022-12-13 14:33:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:33:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:19,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873069210] [2022-12-13 14:33:19,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873069210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:19,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:33:19,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:33:19,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951847607] [2022-12-13 14:33:19,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:19,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:19,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:19,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:19,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:33:19,882 INFO L87 Difference]: Start difference. First operand has 77 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 61 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:33:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:19,929 INFO L93 Difference]: Finished difference Result 192 states and 254 transitions. [2022-12-13 14:33:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:19,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 14:33:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:19,938 INFO L225 Difference]: With dead ends: 192 [2022-12-13 14:33:19,938 INFO L226 Difference]: Without dead ends: 112 [2022-12-13 14:33:19,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:33:19,943 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 42 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:19,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 270 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-12-13 14:33:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 73. [2022-12-13 14:33:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 57 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 14:33:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2022-12-13 14:33:19,985 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 22 [2022-12-13 14:33:19,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:19,985 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2022-12-13 14:33:19,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:33:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-12-13 14:33:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:33:19,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:19,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:19,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:33:19,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:19,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1762157856, now seen corresponding path program 1 times [2022-12-13 14:33:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:19,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971094072] [2022-12-13 14:33:19,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:33:20,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:20,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971094072] [2022-12-13 14:33:20,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971094072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:20,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:33:20,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:33:20,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734877668] [2022-12-13 14:33:20,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:20,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:33:20,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:20,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:33:20,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:33:20,115 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:33:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:20,143 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-12-13 14:33:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:33:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 14:33:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:20,144 INFO L225 Difference]: With dead ends: 126 [2022-12-13 14:33:20,144 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 14:33:20,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:33:20,146 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:20,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:20,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 14:33:20,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-12-13 14:33:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 49 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-12-13 14:33:20,154 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 22 [2022-12-13 14:33:20,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:20,154 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-12-13 14:33:20,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:33:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-12-13 14:33:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 14:33:20,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:20,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:20,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:33:20,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:20,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:20,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1598491907, now seen corresponding path program 1 times [2022-12-13 14:33:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:20,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993883939] [2022-12-13 14:33:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 14:33:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 14:33:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 14:33:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:33:20,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:20,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993883939] [2022-12-13 14:33:20,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993883939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:20,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:33:20,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:33:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257200529] [2022-12-13 14:33:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:20,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:33:20,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:33:20,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:33:20,246 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:20,263 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2022-12-13 14:33:20,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:33:20,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-12-13 14:33:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:20,265 INFO L225 Difference]: With dead ends: 115 [2022-12-13 14:33:20,265 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 14:33:20,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:33:20,267 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:20,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:20,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 14:33:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 14:33:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 48 states have internal predecessors, (51), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 14:33:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-12-13 14:33:20,275 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 40 [2022-12-13 14:33:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:20,275 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-12-13 14:33:20,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-12-13 14:33:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 14:33:20,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:20,277 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:20,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:33:20,277 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:20,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:20,277 INFO L85 PathProgramCache]: Analyzing trace with hash -364619186, now seen corresponding path program 1 times [2022-12-13 14:33:20,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:20,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54935573] [2022-12-13 14:33:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:33:20,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:20,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54935573] [2022-12-13 14:33:20,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54935573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:20,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:33:20,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:33:20,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700445982] [2022-12-13 14:33:20,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:20,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:20,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:20,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:33:20,338 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:20,351 INFO L93 Difference]: Finished difference Result 133 states and 166 transitions. [2022-12-13 14:33:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:20,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-12-13 14:33:20,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:20,353 INFO L225 Difference]: With dead ends: 133 [2022-12-13 14:33:20,353 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 14:33:20,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:33:20,354 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 22 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:20,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 177 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 14:33:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2022-12-13 14:33:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 51 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-12-13 14:33:20,360 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 41 [2022-12-13 14:33:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:20,360 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-12-13 14:33:20,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-12-13 14:33:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 14:33:20,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:20,361 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:20,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:33:20,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:20,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 315439184, now seen corresponding path program 1 times [2022-12-13 14:33:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:20,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23332577] [2022-12-13 14:33:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 14:33:20,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:20,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23332577] [2022-12-13 14:33:20,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23332577] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:20,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280508133] [2022-12-13 14:33:20,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:20,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:20,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:33:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:20,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:33:20,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:20,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280508133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:20,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:20,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:20,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090992615] [2022-12-13 14:33:20,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:20,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:20,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:20,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:20,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:20,529 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:20,543 INFO L93 Difference]: Finished difference Result 129 states and 161 transitions. [2022-12-13 14:33:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-12-13 14:33:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:20,545 INFO L225 Difference]: With dead ends: 129 [2022-12-13 14:33:20,545 INFO L226 Difference]: Without dead ends: 90 [2022-12-13 14:33:20,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:20,546 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 24 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:20,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 168 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-13 14:33:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2022-12-13 14:33:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 50 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2022-12-13 14:33:20,551 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 41 [2022-12-13 14:33:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:20,552 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2022-12-13 14:33:20,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-12-13 14:33:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 14:33:20,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:20,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:20,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:33:20,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:20,756 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:20,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1188680207, now seen corresponding path program 1 times [2022-12-13 14:33:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:20,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259734331] [2022-12-13 14:33:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 14:33:20,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:20,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259734331] [2022-12-13 14:33:20,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259734331] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:20,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211284012] [2022-12-13 14:33:20,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:20,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:20,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:20,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:20,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:33:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:21,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:33:21,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:21,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211284012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:21,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:21,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:21,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246804871] [2022-12-13 14:33:21,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:21,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:21,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:21,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,025 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:21,035 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2022-12-13 14:33:21,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:21,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 14:33:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:21,037 INFO L225 Difference]: With dead ends: 66 [2022-12-13 14:33:21,037 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 14:33:21,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,038 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 23 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:21,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 109 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:21,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 14:33:21,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-12-13 14:33:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 49 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-12-13 14:33:21,046 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 42 [2022-12-13 14:33:21,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:21,046 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-12-13 14:33:21,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 14:33:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-12-13 14:33:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 14:33:21,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:21,047 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:21,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:33:21,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 14:33:21,248 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash 905483233, now seen corresponding path program 1 times [2022-12-13 14:33:21,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:21,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103491609] [2022-12-13 14:33:21,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 14:33:21,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:21,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103491609] [2022-12-13 14:33:21,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103491609] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:21,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428958105] [2022-12-13 14:33:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:21,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:21,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:21,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:21,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:33:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:21,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 14:33:21,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:21,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428958105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:21,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:21,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062658329] [2022-12-13 14:33:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:21,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:21,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,413 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 14:33:21,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:21,424 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-12-13 14:33:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:21,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2022-12-13 14:33:21,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:21,425 INFO L225 Difference]: With dead ends: 65 [2022-12-13 14:33:21,425 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 14:33:21,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,426 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 15 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:21,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 124 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 14:33:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-12-13 14:33:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 48 states have internal predecessors, (51), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-12-13 14:33:21,431 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 53 [2022-12-13 14:33:21,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:21,431 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-12-13 14:33:21,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 14:33:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-12-13 14:33:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 14:33:21,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:21,432 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:21,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:33:21,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:21,634 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:21,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:21,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1994790727, now seen corresponding path program 1 times [2022-12-13 14:33:21,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:21,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356181557] [2022-12-13 14:33:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:21,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 14:33:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:21,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356181557] [2022-12-13 14:33:21,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356181557] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:21,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208357539] [2022-12-13 14:33:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:21,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:21,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:21,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:33:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:21,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:21,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 14:33:21,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:21,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208357539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:21,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:21,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:21,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725935077] [2022-12-13 14:33:21,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:21,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:21,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:21,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,911 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 14:33:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:21,924 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2022-12-13 14:33:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:21,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-12-13 14:33:21,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:21,926 INFO L225 Difference]: With dead ends: 82 [2022-12-13 14:33:21,926 INFO L226 Difference]: Without dead ends: 81 [2022-12-13 14:33:21,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:21,927 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 11 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:21,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 149 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-13 14:33:21,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2022-12-13 14:33:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 51 states have internal predecessors, (56), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 14:33:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2022-12-13 14:33:21,936 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 54 [2022-12-13 14:33:21,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:21,936 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-12-13 14:33:21,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 14:33:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-12-13 14:33:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 14:33:21,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:21,938 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:21,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:33:22,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:22,139 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:22,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash 739336157, now seen corresponding path program 1 times [2022-12-13 14:33:22,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:22,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337052606] [2022-12-13 14:33:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:33:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 14:33:22,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:22,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337052606] [2022-12-13 14:33:22,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337052606] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:22,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122206462] [2022-12-13 14:33:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:22,220 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:33:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:22,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 14:33:22,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:22,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122206462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:22,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:22,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:22,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116787059] [2022-12-13 14:33:22,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:22,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:22,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:22,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:22,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:22,306 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 14:33:22,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:22,314 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2022-12-13 14:33:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:22,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2022-12-13 14:33:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:22,315 INFO L225 Difference]: With dead ends: 69 [2022-12-13 14:33:22,315 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 14:33:22,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:22,316 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:22,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 14:33:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2022-12-13 14:33:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 47 states have internal predecessors, (50), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-12-13 14:33:22,321 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 59 [2022-12-13 14:33:22,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:22,321 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-12-13 14:33:22,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 14:33:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-12-13 14:33:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 14:33:22,322 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:22,322 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:22,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:33:22,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 14:33:22,523 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:22,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1678712103, now seen corresponding path program 1 times [2022-12-13 14:33:22,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:22,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719498256] [2022-12-13 14:33:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:22,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 14:33:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 14:33:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 14:33:22,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:22,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719498256] [2022-12-13 14:33:22,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719498256] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:22,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866923171] [2022-12-13 14:33:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:22,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:33:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:22,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 14:33:22,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:22,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866923171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:22,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:22,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:22,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377754774] [2022-12-13 14:33:22,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:22,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:22,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:22,686 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:22,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:22,691 INFO L93 Difference]: Finished difference Result 63 states and 80 transitions. [2022-12-13 14:33:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:22,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2022-12-13 14:33:22,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:22,692 INFO L225 Difference]: With dead ends: 63 [2022-12-13 14:33:22,692 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 14:33:22,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:22,693 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 4 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:33:22,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 136 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 14:33:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-12-13 14:33:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 46 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-12-13 14:33:22,697 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 66 [2022-12-13 14:33:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:22,697 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-12-13 14:33:22,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-12-13 14:33:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 14:33:22,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:22,698 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:22,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:33:22,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 14:33:22,899 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:22,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:22,900 INFO L85 PathProgramCache]: Analyzing trace with hash 500467785, now seen corresponding path program 1 times [2022-12-13 14:33:22,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:22,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171641195] [2022-12-13 14:33:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:22,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 14:33:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 14:33:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 14:33:23,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:23,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171641195] [2022-12-13 14:33:23,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171641195] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:23,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216218539] [2022-12-13 14:33:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:23,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:23,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:23,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:33:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:23,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 14:33:23,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:23,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216218539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:23,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:23,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:23,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615551190] [2022-12-13 14:33:23,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:23,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:23,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:23,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:23,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:23,099 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:23,107 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-12-13 14:33:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:23,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2022-12-13 14:33:23,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:23,109 INFO L225 Difference]: With dead ends: 68 [2022-12-13 14:33:23,109 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 14:33:23,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:23,110 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 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 [2022-12-13 14:33:23,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:23,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 14:33:23,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-12-13 14:33:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 46 states have internal predecessors, (48), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:33:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-12-13 14:33:23,115 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 67 [2022-12-13 14:33:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:23,115 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-12-13 14:33:23,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-12-13 14:33:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 14:33:23,116 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:33:23,116 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:23,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:33:23,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 14:33:23,318 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:33:23,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:33:23,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1180526155, now seen corresponding path program 1 times [2022-12-13 14:33:23,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:33:23,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445828780] [2022-12-13 14:33:23,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:33:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:33:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:33:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:33:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 14:33:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 14:33:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 14:33:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 14:33:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 14:33:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 14:33:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 14:33:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 14:33:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:33:23,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445828780] [2022-12-13 14:33:23,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445828780] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:33:23,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094526573] [2022-12-13 14:33:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:33:23,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:33:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:33:23,485 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:33:23,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:33:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:33:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:33:23,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:33:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 14:33:23,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:33:23,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094526573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:33:23,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:33:23,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:33:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500772701] [2022-12-13 14:33:23,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:33:23,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:33:23,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:33:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:33:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:23,566 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:33:23,571 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-12-13 14:33:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:33:23,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2022-12-13 14:33:23,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:33:23,572 INFO L225 Difference]: With dead ends: 62 [2022-12-13 14:33:23,572 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:33:23,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:33:23,573 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 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 [2022-12-13 14:33:23,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:33:23,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:33:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:33:23,574 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) [2022-12-13 14:33:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:33:23,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2022-12-13 14:33:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:33:23,574 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:33:23,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 14:33:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:33:23,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:33:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 14:33:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 14:33:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 14:33:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 14:33:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 14:33:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 14:33:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 14:33:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 14:33:23,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 14:33:23,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 14:33:23,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:33:23,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 14:33:23,966 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 14:33:23,966 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 14:33:23,966 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 14:33:23,966 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 14:33:23,967 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 14:33:23,967 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2022-12-13 14:33:23,967 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 14:33:23,967 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 14:33:23,967 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 14:33:23,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-13 14:33:23,967 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1645 1652) the Hoare annotation is: true [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-12-13 14:33:23,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1601) no Hoare annotation was computed. [2022-12-13 14:33:23,969 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-12-13 14:33:23,970 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,970 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: false [2022-12-13 14:33:23,970 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-12-13 14:33:23,970 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-12-13 14:33:23,970 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 14:33:23,971 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) [2022-12-13 14:33:23,971 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-12-13 14:33:23,971 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-12-13 14:33:23,971 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:33:23,971 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-12-13 14:33:23,971 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-12-13 14:33:23,971 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,971 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 14:33:23,972 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-12-13 14:33:23,972 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-12-13 14:33:23,972 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-12-13 14:33:23,972 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-12-13 14:33:23,972 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-12-13 14:33:23,972 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-12-13 14:33:23,972 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L902 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: true [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1629) no Hoare annotation was computed. [2022-12-13 14:33:23,973 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-12-13 14:33:23,974 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2022-12-13 14:33:23,974 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,974 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2022-12-13 14:33:23,974 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 14:33:23,974 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-12-13 14:33:23,974 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-12-13 14:33:23,974 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1588) no Hoare annotation was computed. [2022-12-13 14:33:23,975 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (or (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|))) [2022-12-13 14:33:23,975 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2022-12-13 14:33:23,975 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1556 1580) no Hoare annotation was computed. [2022-12-13 14:33:23,975 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-12-13 14:33:23,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:33:23,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-12-13 14:33:23,975 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-12-13 14:33:23,976 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-12-13 14:33:23,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-13 14:33:23,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 14:33:23,976 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 14:33:23,976 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 14:33:23,976 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2022-12-13 14:33:23,980 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:33:23,982 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:33:23,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:33:23 BoogieIcfgContainer [2022-12-13 14:33:23,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:33:23,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:33:23,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:33:23,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:33:23,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:33:19" (3/4) ... [2022-12-13 14:33:23,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:33:24,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 14:33:24,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-13 14:33:24,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 14:33:24,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-13 14:33:24,005 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 14:33:24,005 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 14:33:24,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 14:33:24,006 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:33:24,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:33:24,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:33:24,038 INFO L158 Benchmark]: Toolchain (without parser) took 5638.40ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 85.8MB in the beginning and 134.3MB in the end (delta: -48.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,038 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:33:24,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 85.4MB in the beginning and 87.1MB in the end (delta: -1.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.29ms. Allocated memory is still 148.9MB. Free memory was 87.1MB in the beginning and 83.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,039 INFO L158 Benchmark]: Boogie Preprocessor took 18.07ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 82.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:33:24,039 INFO L158 Benchmark]: RCFGBuilder took 311.85ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 67.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,039 INFO L158 Benchmark]: TraceAbstraction took 4441.15ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 66.1MB in the beginning and 138.4MB in the end (delta: -72.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,039 INFO L158 Benchmark]: Witness Printer took 47.66ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 134.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:33:24,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.37ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 85.4MB in the beginning and 87.1MB in the end (delta: -1.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.29ms. Allocated memory is still 148.9MB. Free memory was 87.1MB in the beginning and 83.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.07ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 82.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.85ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 67.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4441.15ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 66.1MB in the beginning and 138.4MB in the end (delta: -72.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 47.66ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 134.3MB in the end (delta: 4.2MB). 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 77 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 1991 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 953 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1038 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 647 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 104 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 91 PreInvPairs, 111 NumberOfFragments, 141 HoareAnnotationTreeSize, 91 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1023 NumberOfCodeBlocks, 1023 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1003 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1479 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 528/556 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:33:24,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05be5157-6366-405e-b989-be6527681800/bin/uautomizer-uyxdKDjOR8/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