./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 526b2d7113afb0e2560f604c0257af246fd144266a65c07c3e0a97b031dba59c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:07,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:07,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:38:07,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:07,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:07,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:07,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:07,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:07,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:07,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:07,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:07,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:07,226 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:07,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:07,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:07,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:07,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:07,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:07,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:07,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:07,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:38:07,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:07,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:07,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:07,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:07,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:07,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:07,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:07,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:07,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:07,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526b2d7113afb0e2560f604c0257af246fd144266a65c07c3e0a97b031dba59c [2023-11-19 07:38:07,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:07,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:07,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:07,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:07,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:07,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_11_good.i [2023-11-19 07:38:10,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:11,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:11,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_11_good.i [2023-11-19 07:38:11,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/data/55685268d/562fb51d299e42628bcb3d2bdfff5457/FLAG7f265f771 [2023-11-19 07:38:11,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/data/55685268d/562fb51d299e42628bcb3d2bdfff5457 [2023-11-19 07:38:11,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:11,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:11,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:11,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:11,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:11,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e5c82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11, skipping insertion in model container [2023-11-19 07:38:11,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:11,766 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:38:12,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:12,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:12,517 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:38:12,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:12,847 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:12,850 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:12,850 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:12,850 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:12,850 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:12,858 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:12,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12 WrapperNode [2023-11-19 07:38:12,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:12,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:12,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:12,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:12,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,953 INFO L138 Inliner]: procedures = 503, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 144 [2023-11-19 07:38:12,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:12,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:12,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:12,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:12,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:12,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:13,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:13,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:13,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:13,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:13,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:13,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (1/1) ... [2023-11-19 07:38:13,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:13,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:13,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:13,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:38:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:38:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:38:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:38:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-19 07:38:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-19 07:38:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-19 07:38:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-19 07:38:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:38:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:13,254 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:13,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:13,511 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:13,522 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:13,529 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:38:13,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:13 BoogieIcfgContainer [2023-11-19 07:38:13,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:13,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:13,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:13,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:13,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:11" (1/3) ... [2023-11-19 07:38:13,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed14636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:13, skipping insertion in model container [2023-11-19 07:38:13,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:12" (2/3) ... [2023-11-19 07:38:13,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed14636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:13, skipping insertion in model container [2023-11-19 07:38:13,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:13" (3/3) ... [2023-11-19 07:38:13,555 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_11_good.i [2023-11-19 07:38:13,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:13,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:38:13,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:13,653 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=LoopHeads, 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;@2aee09c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:13,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:38:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 68 states have internal predecessors, (79), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:38:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:38:13,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:13,666 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] [2023-11-19 07:38:13,666 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)] === [2023-11-19 07:38:13,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1957738823, now seen corresponding path program 1 times [2023-11-19 07:38:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390727821] [2023-11-19 07:38:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:14,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:14,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390727821] [2023-11-19 07:38:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390727821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:14,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:14,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:14,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813334599] [2023-11-19 07:38:14,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:14,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:14,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:14,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:14,438 INFO L87 Difference]: Start difference. First operand has 87 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 68 states have internal predecessors, (79), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:38:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:14,562 INFO L93 Difference]: Finished difference Result 88 states and 116 transitions. [2023-11-19 07:38:14,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:14,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2023-11-19 07:38:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:14,576 INFO L225 Difference]: With dead ends: 88 [2023-11-19 07:38:14,577 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 07:38:14,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:14,584 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 8 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:14,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 400 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:38:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 07:38:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2023-11-19 07:38:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.38) internal successors, (69), 60 states have internal predecessors, (69), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2023-11-19 07:38:14,635 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 23 [2023-11-19 07:38:14,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:14,636 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2023-11-19 07:38:14,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:38:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2023-11-19 07:38:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:38:14,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:14,641 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] [2023-11-19 07:38:14,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:14,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:14,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 560361441, now seen corresponding path program 1 times [2023-11-19 07:38:14,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:14,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393350503] [2023-11-19 07:38:14,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:14,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:14,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393350503] [2023-11-19 07:38:14,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393350503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:14,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:14,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:14,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775967973] [2023-11-19 07:38:14,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:14,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:14,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:14,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:14,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:14,869 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:38:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:14,934 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2023-11-19 07:38:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:14,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-19 07:38:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:14,938 INFO L225 Difference]: With dead ends: 77 [2023-11-19 07:38:14,938 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 07:38:14,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:14,941 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:14,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 354 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:14,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 07:38:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 07:38:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.36) internal successors, (68), 59 states have internal predecessors, (68), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2023-11-19 07:38:14,963 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 24 [2023-11-19 07:38:14,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:14,963 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2023-11-19 07:38:14,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:38:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-19 07:38:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:38:14,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:14,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:14,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:14,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:14,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash 10279466, now seen corresponding path program 1 times [2023-11-19 07:38:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:14,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612160968] [2023-11-19 07:38:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:38:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:15,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612160968] [2023-11-19 07:38:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612160968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:15,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:15,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:15,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982471572] [2023-11-19 07:38:15,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:15,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:15,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:15,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:15,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,192 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:38:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:15,266 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2023-11-19 07:38:15,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:15,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 38 [2023-11-19 07:38:15,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:15,268 INFO L225 Difference]: With dead ends: 77 [2023-11-19 07:38:15,269 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 07:38:15,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:15,271 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:15,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 338 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:38:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 07:38:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2023-11-19 07:38:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.34) internal successors, (67), 58 states have internal predecessors, (67), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:15,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2023-11-19 07:38:15,284 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 38 [2023-11-19 07:38:15,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:15,284 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2023-11-19 07:38:15,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:38:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-19 07:38:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:38:15,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:15,287 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:15,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:15,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:15,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:15,288 INFO L85 PathProgramCache]: Analyzing trace with hash 318663553, now seen corresponding path program 1 times [2023-11-19 07:38:15,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:15,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834519715] [2023-11-19 07:38:15,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:15,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:38:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834519715] [2023-11-19 07:38:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834519715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:15,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:15,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575108334] [2023-11-19 07:38:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:15,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:15,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:15,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:15,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,458 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:38:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:15,530 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2023-11-19 07:38:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 39 [2023-11-19 07:38:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:15,535 INFO L225 Difference]: With dead ends: 75 [2023-11-19 07:38:15,536 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 07:38:15,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,540 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:15,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:15,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 07:38:15,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-19 07:38:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:38:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 98 transitions. [2023-11-19 07:38:15,551 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 98 transitions. Word has length 39 [2023-11-19 07:38:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:15,557 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 98 transitions. [2023-11-19 07:38:15,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:38:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2023-11-19 07:38:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:38:15,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:15,567 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:15,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:15,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:15,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:15,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1394035870, now seen corresponding path program 1 times [2023-11-19 07:38:15,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:15,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028172791] [2023-11-19 07:38:15,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:15,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:38:15,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:15,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028172791] [2023-11-19 07:38:15,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028172791] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:15,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461912140] [2023-11-19 07:38:15,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:15,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:15,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:38:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:15,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:15,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 07:38:15,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:15,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461912140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:15,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:15,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:15,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69313952] [2023-11-19 07:38:15,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:15,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:15,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:15,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:15,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,943 INFO L87 Difference]: Start difference. First operand 74 states and 98 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:38:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:15,977 INFO L93 Difference]: Finished difference Result 99 states and 129 transitions. [2023-11-19 07:38:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:15,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2023-11-19 07:38:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:15,982 INFO L225 Difference]: With dead ends: 99 [2023-11-19 07:38:15,982 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 07:38:15,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:15,988 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 5 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:15,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 183 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 07:38:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2023-11-19 07:38:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 60 states have internal predecessors, (71), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2023-11-19 07:38:16,016 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 51 [2023-11-19 07:38:16,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:16,017 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2023-11-19 07:38:16,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:38:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2023-11-19 07:38:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:38:16,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:16,019 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:16,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:38:16,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:16,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:16,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:16,237 INFO L85 PathProgramCache]: Analyzing trace with hash 265439153, now seen corresponding path program 1 times [2023-11-19 07:38:16,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:16,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060047958] [2023-11-19 07:38:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:16,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:38:16,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:16,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060047958] [2023-11-19 07:38:16,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060047958] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:16,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489149246] [2023-11-19 07:38:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:16,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:16,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:16,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:38:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:16,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 07:38:16,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:16,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489149246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:16,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:16,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:16,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932666709] [2023-11-19 07:38:16,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:16,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:16,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:16,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:16,599 INFO L87 Difference]: Start difference. First operand 79 states and 105 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:38:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:16,614 INFO L93 Difference]: Finished difference Result 79 states and 105 transitions. [2023-11-19 07:38:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:16,615 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2023-11-19 07:38:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:16,617 INFO L225 Difference]: With dead ends: 79 [2023-11-19 07:38:16,617 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 07:38:16,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:16,623 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 7 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:16,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 171 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:16,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 07:38:16,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 07:38:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2023-11-19 07:38:16,643 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 52 [2023-11-19 07:38:16,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:16,644 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2023-11-19 07:38:16,644 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:38:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-19 07:38:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 07:38:16,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:16,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:16,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:16,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:16,846 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:16,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:16,846 INFO L85 PathProgramCache]: Analyzing trace with hash 75524248, now seen corresponding path program 1 times [2023-11-19 07:38:16,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:16,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943572093] [2023-11-19 07:38:16,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:16,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:38:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:38:16,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:16,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943572093] [2023-11-19 07:38:16,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943572093] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911289092] [2023-11-19 07:38:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:16,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:16,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:17,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:38:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:17,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:38:17,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:17,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911289092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:17,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:17,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:38:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446966875] [2023-11-19 07:38:17,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:17,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:17,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:17,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:17,170 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:17,184 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2023-11-19 07:38:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2023-11-19 07:38:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:17,186 INFO L225 Difference]: With dead ends: 100 [2023-11-19 07:38:17,187 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 07:38:17,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:17,188 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:17,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 187 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 07:38:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2023-11-19 07:38:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 57 states have internal predecessors, (67), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 101 transitions. [2023-11-19 07:38:17,196 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 101 transitions. Word has length 56 [2023-11-19 07:38:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:17,197 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 101 transitions. [2023-11-19 07:38:17,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:38:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-19 07:38:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:38:17,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:17,199 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:17,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:17,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:17,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:38:17,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:17,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2023786456, now seen corresponding path program 1 times [2023-11-19 07:38:17,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:17,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844472780] [2023-11-19 07:38:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:17,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:38:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:38:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:38:17,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:17,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844472780] [2023-11-19 07:38:17,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844472780] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:17,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011518502] [2023-11-19 07:38:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:17,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:17,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:17,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:17,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:38:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:17,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:17,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:38:17,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:17,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011518502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:17,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:17,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:38:17,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748185477] [2023-11-19 07:38:17,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:17,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:17,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:17,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:17,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:17,802 INFO L87 Difference]: Start difference. First operand 76 states and 101 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:17,817 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2023-11-19 07:38:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2023-11-19 07:38:17,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:17,821 INFO L225 Difference]: With dead ends: 84 [2023-11-19 07:38:17,821 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 07:38:17,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:17,823 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:17,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 07:38:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 07:38:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 57 states have internal predecessors, (66), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2023-11-19 07:38:17,838 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 64 [2023-11-19 07:38:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:17,838 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2023-11-19 07:38:17,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-19 07:38:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:38:17,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:17,844 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:17,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:18,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:18,056 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)] === [2023-11-19 07:38:18,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1343728086, now seen corresponding path program 1 times [2023-11-19 07:38:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600310070] [2023-11-19 07:38:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:38:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:38:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:38:18,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:18,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600310070] [2023-11-19 07:38:18,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600310070] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:18,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810789970] [2023-11-19 07:38:18,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:18,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:18,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:18,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:38:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:18,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:38:18,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:18,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810789970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:18,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:18,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:18,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990011654] [2023-11-19 07:38:18,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:18,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:18,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:18,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:18,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:18,352 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:18,362 INFO L93 Difference]: Finished difference Result 76 states and 100 transitions. [2023-11-19 07:38:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2023-11-19 07:38:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:18,364 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:38:18,365 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:38:18,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:18,366 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 177 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 [2023-11-19 07:38:18,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 177 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:38:18,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 07:38:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 56 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:38:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2023-11-19 07:38:18,373 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 64 [2023-11-19 07:38:18,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:18,374 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2023-11-19 07:38:18,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-19 07:38:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 07:38:18,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:18,375 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:18,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:18,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:18,599 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)] === [2023-11-19 07:38:18,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:18,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1294102122, now seen corresponding path program 1 times [2023-11-19 07:38:18,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:18,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81915479] [2023-11-19 07:38:18,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:18,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:38:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:38:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:38:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:38:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:38:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:38:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:38:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:38:18,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:18,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81915479] [2023-11-19 07:38:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81915479] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:38:18,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472725928] [2023-11-19 07:38:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:18,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:18,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:18,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:18,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:38:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:18,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:18,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:38:18,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:18,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472725928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:18,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:38:18,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:38:18,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457022096] [2023-11-19 07:38:18,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:18,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:18,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:18,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:18,972 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:18,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:18,984 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2023-11-19 07:38:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:18,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2023-11-19 07:38:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:18,985 INFO L225 Difference]: With dead ends: 75 [2023-11-19 07:38:18,985 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:38:18,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:18,987 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 175 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 [2023-11-19 07:38:18,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 175 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:38:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:38:18,993 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) [2023-11-19 07:38:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:38:18,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2023-11-19 07:38:18,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:18,994 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:38:18,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:38:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:38:18,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:38:18,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:38:18,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:38:18,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:38:18,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:38:18,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:38:18,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:38:18,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:38:18,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:38:19,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:19,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:38:19,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:38:19,271 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:38:19,271 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:38:19,271 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:38:19,271 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:38:19,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-19 07:38:19,272 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2023-11-19 07:38:19,272 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-19 07:38:19,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:38:19,272 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:38:19,272 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:38:19,273 INFO L895 garLoopResultBuilder]: At program point L1604-3(lines 1604 1611) the Hoare annotation is: (or (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (< |ULTIMATE.start_goodG2B1_~data~2#1| 1)) [2023-11-19 07:38:19,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:19,273 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2023-11-19 07:38:19,273 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 1629 1636) no Hoare annotation was computed. [2023-11-19 07:38:19,273 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-19 07:38:19,273 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-19 07:38:19,274 INFO L902 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: true [2023-11-19 07:38:19,274 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2023-11-19 07:38:19,274 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1580 1583) no Hoare annotation was computed. [2023-11-19 07:38:19,274 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1645 1652) no Hoare annotation was computed. [2023-11-19 07:38:19,274 INFO L902 garLoopResultBuilder]: At program point L1580-4(lines 1580 1583) the Hoare annotation is: true [2023-11-19 07:38:19,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:19,274 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1574) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2023-11-19 07:38:19,275 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1575) no Hoare annotation was computed. [2023-11-19 07:38:19,276 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:38:19,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:19,276 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2023-11-19 07:38:19,276 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:19,276 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:19,276 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-19 07:38:19,276 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-19 07:38:19,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:38:19,277 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:19,277 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 07:38:19,277 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|)) [2023-11-19 07:38:19,277 INFO L902 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: true [2023-11-19 07:38:19,277 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-19 07:38:19,277 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|)) [2023-11-19 07:38:19,278 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-19 07:38:19,278 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) [2023-11-19 07:38:19,279 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-19 07:38:19,279 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1625 1628) no Hoare annotation was computed. [2023-11-19 07:38:19,279 INFO L895 garLoopResultBuilder]: At program point L1625-4(lines 1625 1628) the Hoare annotation is: (or (< |ULTIMATE.start_goodG2B2_~data~3#1| 1) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-19 07:38:19,279 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-19 07:38:19,279 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) [2023-11-19 07:38:19,279 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-19 07:38:19,279 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1584 1598) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L1584-2(lines 1584 1598) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-19 07:38:19,280 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L902 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: true [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 07:38:19,281 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2023-11-19 07:38:19,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 07:38:19,282 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|)) [2023-11-19 07:38:19,282 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-19 07:38:19,282 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1574) no Hoare annotation was computed. [2023-11-19 07:38:19,282 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2023-11-19 07:38:19,282 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1612 1619) no Hoare annotation was computed. [2023-11-19 07:38:19,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:38:19,283 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:38:19,283 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|)) [2023-11-19 07:38:19,283 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2023-11-19 07:38:19,283 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1604 1611) no Hoare annotation was computed. [2023-11-19 07:38:19,283 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2023-11-19 07:38:19,283 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-19 07:38:19,284 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-19 07:38:19,288 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:19,290 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:19,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:19 BoogieIcfgContainer [2023-11-19 07:38:19,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:19,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:19,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:19,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:19,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:13" (3/4) ... [2023-11-19 07:38:19,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:19,306 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:38:19,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-19 07:38:19,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:38:19,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-19 07:38:19,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:38:19,317 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:38:19,318 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:38:19,318 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:19,449 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:19,450 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:19,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:19,451 INFO L158 Benchmark]: Toolchain (without parser) took 8271.61ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 119.1MB in the beginning and 130.9MB in the end (delta: -11.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,454 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:19,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.00ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 103.5MB in the end (delta: 15.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.06ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 100.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,456 INFO L158 Benchmark]: Boogie Preprocessor took 51.49ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,456 INFO L158 Benchmark]: RCFGBuilder took 529.47ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 80.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,457 INFO L158 Benchmark]: TraceAbstraction took 5758.08ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 79.5MB in the beginning and 137.2MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:19,457 INFO L158 Benchmark]: Witness Printer took 153.14ms. Allocated memory is still 207.6MB. Free memory was 137.2MB in the beginning and 130.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:19,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.00ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 103.5MB in the end (delta: 15.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.06ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 100.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.49ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.47ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 80.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5758.08ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 79.5MB in the beginning and 137.2MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 153.14ms. Allocated memory is still 207.6MB. Free memory was 137.2MB in the beginning and 130.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 87 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 2515 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1560 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 955 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 43 PreInvPairs, 48 NumberOfFragments, 66 HoareAnnotationTreeSize, 43 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 828 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 812 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1556 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 416/440 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:38:19,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f698a54-0260-4883-84f6-21e8f9b68312/bin/uautomizer-verify-uCwYo4JHxu/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