./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro --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 2e72e71b4c8d029a90e94e3744a4d03650274dd271808bc8b4a8f7bf44c06b29 --- 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-8393723 [2022-11-18 20:58:41,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:58:41,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:58:41,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:58:41,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:58:41,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:58:41,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:58:41,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:58:41,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:58:41,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:58:41,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:58:41,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:58:41,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:58:41,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:58:41,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:58:41,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:58:41,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:58:41,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:58:41,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:58:41,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:58:41,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:58:41,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:58:41,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:58:41,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:58:41,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:58:41,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:58:41,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:58:41,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:58:41,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:58:41,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:58:41,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:58:41,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:58:41,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:58:41,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:58:41,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:58:41,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:58:41,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:58:41,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:58:41,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:58:41,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:58:41,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:58:41,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:58:41,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:58:41,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:58:41,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:58:41,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:58:41,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:58:41,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:58:41,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:58:41,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:58:41,241 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:58:41,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:58:41,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:58:41,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:58:41,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:58:41,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:58:41,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:58:41,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:58:41,243 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:58:41,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:58:41,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:58:41,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:58:41,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:58:41,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:58:41,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:58:41,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:58:41,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:58:41,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:58:41,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:58:41,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:58:41,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:58:41,246 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:58:41,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:58:41,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:58:41,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e72e71b4c8d029a90e94e3744a4d03650274dd271808bc8b4a8f7bf44c06b29 [2022-11-18 20:58:41,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:58:41,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:58:41,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:58:41,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:58:41,606 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:58:41,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_good.i [2022-11-18 20:58:41,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/data/9c0e28f10/9fe5d64429e54f6ca4891578cba7e472/FLAG627f554eb [2022-11-18 20:58:42,418 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:58:42,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_10_good.i [2022-11-18 20:58:42,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/data/9c0e28f10/9fe5d64429e54f6ca4891578cba7e472/FLAG627f554eb [2022-11-18 20:58:42,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/data/9c0e28f10/9fe5d64429e54f6ca4891578cba7e472 [2022-11-18 20:58:42,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:58:42,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:58:42,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:58:42,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:58:42,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:58:42,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:58:42" (1/1) ... [2022-11-18 20:58:42,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3979d9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:42, skipping insertion in model container [2022-11-18 20:58:42,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:58:42" (1/1) ... [2022-11-18 20:58:42,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:58:42,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:58:43,116 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:58:43,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:58:43,667 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:58:43,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:58:43,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:58:43,866 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:58:43,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43 WrapperNode [2022-11-18 20:58:43,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:58:43,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:58:43,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:58:43,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:58:43,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,967 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-18 20:58:43,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:58:43,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:58:43,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:58:43,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:58:43,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:43,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:44,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:44,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:44,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:58:44,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:58:44,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:58:44,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:58:44,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (1/1) ... [2022-11-18 20:58:44,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:58:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:58:44,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:58:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:58:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:58:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:58:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-18 20:58:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:58:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:58:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:58:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:58:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:58:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:58:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:58:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:58:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:58:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:58:44,311 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:58:44,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:58:44,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:58:44,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:58:44,572 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:58:44,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:44 BoogieIcfgContainer [2022-11-18 20:58:44,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:58:44,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:58:44,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:58:44,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:58:44,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:58:42" (1/3) ... [2022-11-18 20:58:44,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a12e29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:58:44, skipping insertion in model container [2022-11-18 20:58:44,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:58:43" (2/3) ... [2022-11-18 20:58:44,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a12e29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:58:44, skipping insertion in model container [2022-11-18 20:58:44,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:44" (3/3) ... [2022-11-18 20:58:44,586 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_10_good.i [2022-11-18 20:58:44,606 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:58:44,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:58:44,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:58:44,696 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;@7c32c94e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:58:44,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:58:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 20:58:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:58:44,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:44,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:44,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:44,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:44,719 INFO L85 PathProgramCache]: Analyzing trace with hash -457675659, now seen corresponding path program 1 times [2022-11-18 20:58:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:44,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823326738] [2022-11-18 20:58:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:45,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:45,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823326738] [2022-11-18 20:58:45,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823326738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:45,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:45,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:58:45,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354380545] [2022-11-18 20:58:45,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:45,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:45,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:45,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:45,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,220 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:45,316 INFO L93 Difference]: Finished difference Result 122 states and 170 transitions. [2022-11-18 20:58:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:45,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-18 20:58:45,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:45,330 INFO L225 Difference]: With dead ends: 122 [2022-11-18 20:58:45,330 INFO L226 Difference]: Without dead ends: 57 [2022-11-18 20:58:45,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,339 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:45,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 79 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-18 20:58:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-18 20:58:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 53 states have internal predecessors, (54), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-11-18 20:58:45,383 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 13 [2022-11-18 20:58:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:45,384 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-11-18 20:58:45,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-11-18 20:58:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:58:45,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:45,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:45,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:58:45,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1858149296, now seen corresponding path program 1 times [2022-11-18 20:58:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:45,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593916486] [2022-11-18 20:58:45,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:45,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:45,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593916486] [2022-11-18 20:58:45,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593916486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:45,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:45,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:45,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176512489] [2022-11-18 20:58:45,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:45,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:45,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:45,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:45,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,503 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:45,539 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2022-11-18 20:58:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-18 20:58:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:45,542 INFO L225 Difference]: With dead ends: 89 [2022-11-18 20:58:45,542 INFO L226 Difference]: Without dead ends: 88 [2022-11-18 20:58:45,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,555 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 35 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:45,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 176 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:45,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-18 20:58:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 56. [2022-11-18 20:58:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 52 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 73 transitions. [2022-11-18 20:58:45,571 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 73 transitions. Word has length 15 [2022-11-18 20:58:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:45,571 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-11-18 20:58:45,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-11-18 20:58:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:58:45,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:45,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:45,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:58:45,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:45,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1768053402, now seen corresponding path program 1 times [2022-11-18 20:58:45,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:45,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721734228] [2022-11-18 20:58:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:45,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:45,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721734228] [2022-11-18 20:58:45,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721734228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:45,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:45,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:45,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931131101] [2022-11-18 20:58:45,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:45,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:45,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:45,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,658 INFO L87 Difference]: Start difference. First operand 56 states and 73 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:45,702 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2022-11-18 20:58:45,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:45,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-18 20:58:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:45,705 INFO L225 Difference]: With dead ends: 133 [2022-11-18 20:58:45,705 INFO L226 Difference]: Without dead ends: 92 [2022-11-18 20:58:45,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,707 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 38 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:45,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-18 20:58:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 59. [2022-11-18 20:58:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 54 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2022-11-18 20:58:45,721 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 16 [2022-11-18 20:58:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:45,722 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2022-11-18 20:58:45,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2022-11-18 20:58:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 20:58:45,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:45,724 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] [2022-11-18 20:58:45,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:58:45,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:45,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:45,725 INFO L85 PathProgramCache]: Analyzing trace with hash 612967497, now seen corresponding path program 1 times [2022-11-18 20:58:45,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:45,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881463408] [2022-11-18 20:58:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:45,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:45,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881463408] [2022-11-18 20:58:45,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881463408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:45,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:45,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073159998] [2022-11-18 20:58:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:45,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:45,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:45,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:45,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,798 INFO L87 Difference]: Start difference. First operand 59 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:45,828 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2022-11-18 20:58:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-18 20:58:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:45,834 INFO L225 Difference]: With dead ends: 77 [2022-11-18 20:58:45,836 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 20:58:45,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:45,838 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 21 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:45,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 20:58:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 58. [2022-11-18 20:58:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 53 states have internal predecessors, (57), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2022-11-18 20:58:45,880 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 21 [2022-11-18 20:58:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:45,880 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2022-11-18 20:58:45,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2022-11-18 20:58:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:58:45,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:45,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:45,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:58:45,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1822123333, now seen corresponding path program 1 times [2022-11-18 20:58:45,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139651076] [2022-11-18 20:58:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:45,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:46,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139651076] [2022-11-18 20:58:46,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139651076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:46,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548412053] [2022-11-18 20:58:46,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,031 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,082 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2022-11-18 20:58:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-18 20:58:46,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,084 INFO L225 Difference]: With dead ends: 106 [2022-11-18 20:58:46,086 INFO L226 Difference]: Without dead ends: 79 [2022-11-18 20:58:46,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,088 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 130 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-18 20:58:46,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2022-11-18 20:58:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 55 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2022-11-18 20:58:46,113 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 22 [2022-11-18 20:58:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,114 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2022-11-18 20:58:46,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-11-18 20:58:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:58:46,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:46,125 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, 1, 1] [2022-11-18 20:58:46,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:58:46,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash -869928021, now seen corresponding path program 1 times [2022-11-18 20:58:46,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:46,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164306301] [2022-11-18 20:58:46,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:46,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164306301] [2022-11-18 20:58:46,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164306301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:46,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254760049] [2022-11-18 20:58:46,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,244 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,287 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2022-11-18 20:58:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,287 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-18 20:58:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,289 INFO L225 Difference]: With dead ends: 83 [2022-11-18 20:58:46,289 INFO L226 Difference]: Without dead ends: 74 [2022-11-18 20:58:46,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,290 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 10 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 129 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-18 20:58:46,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2022-11-18 20:58:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 57 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2022-11-18 20:58:46,317 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 24 [2022-11-18 20:58:46,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,318 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2022-11-18 20:58:46,318 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-11-18 20:58:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:58:46,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:46,320 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, 1, 1, 1] [2022-11-18 20:58:46,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:58:46,320 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:46,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1197964736, now seen corresponding path program 1 times [2022-11-18 20:58:46,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:46,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185809497] [2022-11-18 20:58:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:46,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185809497] [2022-11-18 20:58:46,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185809497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771459305] [2022-11-18 20:58:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,427 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,462 INFO L93 Difference]: Finished difference Result 64 states and 84 transitions. [2022-11-18 20:58:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,463 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 20:58:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,466 INFO L225 Difference]: With dead ends: 64 [2022-11-18 20:58:46,467 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 20:58:46,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,469 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 20:58:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 20:58:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 56 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:58:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 83 transitions. [2022-11-18 20:58:46,489 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 83 transitions. Word has length 25 [2022-11-18 20:58:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,491 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 83 transitions. [2022-11-18 20:58:46,491 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:58:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-18 20:58:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 20:58:46,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:46,495 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:46,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:58:46,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1115786649, now seen corresponding path program 1 times [2022-11-18 20:58:46,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:46,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178736443] [2022-11-18 20:58:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:46,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:58:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:58:46,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178736443] [2022-11-18 20:58:46,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178736443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:58:46,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462819070] [2022-11-18 20:58:46,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,617 INFO L87 Difference]: Start difference. First operand 63 states and 83 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:58:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,645 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2022-11-18 20:58:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,646 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-11-18 20:58:46,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,649 INFO L225 Difference]: With dead ends: 101 [2022-11-18 20:58:46,649 INFO L226 Difference]: Without dead ends: 57 [2022-11-18 20:58:46,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,655 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-18 20:58:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-18 20:58:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 50 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:58:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-11-18 20:58:46,664 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 29 [2022-11-18 20:58:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,664 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-11-18 20:58:46,664 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:58:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-18 20:58:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 20:58:46,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:46,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:46,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:58:46,666 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1113802565, now seen corresponding path program 1 times [2022-11-18 20:58:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:46,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915469464] [2022-11-18 20:58:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:58:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:46,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915469464] [2022-11-18 20:58:46,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915469464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208665671] [2022-11-18 20:58:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,730 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:58:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,739 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-11-18 20:58:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-18 20:58:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,741 INFO L225 Difference]: With dead ends: 57 [2022-11-18 20:58:46,741 INFO L226 Difference]: Without dead ends: 56 [2022-11-18 20:58:46,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,742 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-18 20:58:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-18 20:58:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.2) internal successors, (54), 49 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:58:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-11-18 20:58:46,749 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 34 [2022-11-18 20:58:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,750 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-11-18 20:58:46,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:58:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-18 20:58:46,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 20:58:46,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:58:46,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:46,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:58:46,752 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:58:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:58:46,753 INFO L85 PathProgramCache]: Analyzing trace with hash -168140984, now seen corresponding path program 1 times [2022-11-18 20:58:46,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:58:46,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748764651] [2022-11-18 20:58:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:58:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:58:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:58:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:58:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:58:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:58:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:58:46,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748764651] [2022-11-18 20:58:46,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748764651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:58:46,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:58:46,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:58:46,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662571249] [2022-11-18 20:58:46,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:58:46,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:58:46,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:58:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:58:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,817 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:58:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:58:46,830 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-11-18 20:58:46,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:58:46,830 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-18 20:58:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:58:46,832 INFO L225 Difference]: With dead ends: 56 [2022-11-18 20:58:46,833 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:58:46,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:58:46,834 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:58:46,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:58:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:58:46,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:58:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:58:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:58:46,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-18 20:58:46,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:58:46,838 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:58:46,838 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:58:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:58:46,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:58:46,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:58:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:58:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:58:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:58:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:58:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:58:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:58:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:58:46,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:58:46,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:58:46,964 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-18 20:58:46,965 INFO L895 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L895 garLoopResultBuilder]: At program point L1671(lines 1665 1672) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1566 1584) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:58:46,966 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-18 20:58:46,967 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,967 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2022-11-18 20:58:46,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:58:46,967 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2022-11-18 20:58:46,967 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2022-11-18 20:58:46,967 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,967 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1658(lines 1658 1664) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-18 20:58:46,968 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1638) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1655) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-11-18 20:58:46,969 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2022-11-18 20:58:46,970 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-18 20:58:46,970 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,970 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-18 20:58:46,970 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (and (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,970 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2022-11-18 20:58:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:58:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-18 20:58:46,971 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,971 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1648) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-18 20:58:46,972 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (= ~globalTrue~0 1) [2022-11-18 20:58:46,973 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (= ~globalTrue~0 1)) [2022-11-18 20:58:46,973 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2022-11-18 20:58:46,976 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:58:46,978 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:58:46,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:58:46 BoogieIcfgContainer [2022-11-18 20:58:46,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:58:46,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:58:46,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:58:46,992 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:58:46,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:58:44" (3/4) ... [2022-11-18 20:58:46,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:58:47,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:58:47,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:58:47,008 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 20:58:47,008 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:58:47,008 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:58:47,009 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:58:47,009 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:58:47,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:58:47,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:58:47,055 INFO L158 Benchmark]: Toolchain (without parser) took 4412.41ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 78.3MB in the beginning and 60.8MB in the end (delta: 17.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,056 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:58:47,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.60ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 99.5MB in the end (delta: -21.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.45ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,057 INFO L158 Benchmark]: Boogie Preprocessor took 34.29ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,057 INFO L158 Benchmark]: RCFGBuilder took 559.89ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,057 INFO L158 Benchmark]: TraceAbstraction took 2414.68ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 63.9MB in the end (delta: 13.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,058 INFO L158 Benchmark]: Witness Printer took 62.60ms. Allocated memory is still 140.5MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:58:47,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.60ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 99.5MB in the end (delta: -21.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.45ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.29ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.89ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2414.68ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 63.9MB in the end (delta: 13.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 62.60ms. Allocated memory is still 140.5MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 1200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 731 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 48 PreInvPairs, 57 NumberOfFragments, 114 HoareAnnotationTreeSize, 48 FomulaSimplifications, 382 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 4/4 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: 1665]: Loop Invariant Derived loop invariant: globalTrue == 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:58:47,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb676a5-d6a7-4c78-92df-b3da69904dcc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE