./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC --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 3ac1c683f3ececfc198087edc5574b85188c877e04a618c812f5dd29a372b7ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:49,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:49,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:34:49,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:49,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:49,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:49,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:49,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:49,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:49,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:49,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:49,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:49,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:49,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:49,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:49,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:49,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:49,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:49,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:49,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:49,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:49,273 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:49,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:49,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:49,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:49,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:49,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:49,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:49,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:49,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:49,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:49,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:49,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:49,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:49,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:49,277 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC 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 -> 3ac1c683f3ececfc198087edc5574b85188c877e04a618c812f5dd29a372b7ed [2024-11-23 22:34:49,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:49,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:49,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:49,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:49,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:49,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_good.i [2024-11-23 22:34:52,651 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/data/2f4909352/719a558494524278916c61d3a3f1e7ef/FLAGdb474c265 [2024-11-23 22:34:53,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:53,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_good.i [2024-11-23 22:34:53,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/data/2f4909352/719a558494524278916c61d3a3f1e7ef/FLAGdb474c265 [2024-11-23 22:34:53,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/data/2f4909352/719a558494524278916c61d3a3f1e7ef [2024-11-23 22:34:53,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:53,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:53,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:53,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:53,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:53,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32df5f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:53, skipping insertion in model container [2024-11-23 22:34:53,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:54,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:54,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:54,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:54,945 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:54,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54 WrapperNode [2024-11-23 22:34:54,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:54,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:54,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:54,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:54,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:54,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,050 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 237 [2024-11-23 22:34:55,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:55,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:55,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:55,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:55,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,090 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 22:34:55,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:34:55,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:34:55,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:34:55,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:34:55,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (1/1) ... [2024-11-23 22:34:55,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:55,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:55,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:34:55,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:34:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 22:34:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 22:34:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 22:34:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 22:34:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:34:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:34:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:34:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-23 22:34:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-23 22:34:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-11-23 22:34:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-11-23 22:34:55,380 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:34:55,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:34:55,885 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-23 22:34:55,885 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:34:55,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:34:55,906 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:34:55,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55 BoogieIcfgContainer [2024-11-23 22:34:55,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:34:55,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:34:55,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:34:55,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:34:55,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:53" (1/3) ... [2024-11-23 22:34:55,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef41dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:55, skipping insertion in model container [2024-11-23 22:34:55,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:54" (2/3) ... [2024-11-23 22:34:55,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef41dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:55, skipping insertion in model container [2024-11-23 22:34:55,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55" (3/3) ... [2024-11-23 22:34:55,923 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_08_good.i [2024-11-23 22:34:55,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:34:55,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_08_good.i that has 5 procedures, 125 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-23 22:34:56,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:34:56,045 INFO L333 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, 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;@573309d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:34:56,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 22:34:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 106 states have internal predecessors, (139), 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) [2024-11-23 22:34:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-23 22:34:56,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:56,059 INFO L218 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] [2024-11-23 22:34:56,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:56,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 919899819, now seen corresponding path program 1 times [2024-11-23 22:34:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:56,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761296260] [2024-11-23 22:34:56,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:56,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:56,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761296260] [2024-11-23 22:34:56,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761296260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:56,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:56,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:34:56,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940070656] [2024-11-23 22:34:56,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:56,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:56,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:56,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:56,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:56,457 INFO L87 Difference]: Start difference. First operand has 125 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 106 states have internal predecessors, (139), 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 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:34:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:56,514 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2024-11-23 22:34:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:56,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-23 22:34:56,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:56,525 INFO L225 Difference]: With dead ends: 221 [2024-11-23 22:34:56,525 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 22:34:56,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:56,531 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 [2024-11-23 22:34:56,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:56,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 22:34:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-23 22:34:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 99 states have internal predecessors, (130), 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) [2024-11-23 22:34:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2024-11-23 22:34:56,589 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 162 transitions. Word has length 22 [2024-11-23 22:34:56,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:56,594 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 162 transitions. [2024-11-23 22:34:56,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:34:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2024-11-23 22:34:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-23 22:34:56,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:56,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:56,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:34:56,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:56,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:56,597 INFO L85 PathProgramCache]: Analyzing trace with hash 631480520, now seen corresponding path program 1 times [2024-11-23 22:34:56,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:56,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876910668] [2024-11-23 22:34:56,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:56,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876910668] [2024-11-23 22:34:56,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876910668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:56,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:56,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:34:56,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377679291] [2024-11-23 22:34:56,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:56,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:56,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:56,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:56,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:56,823 INFO L87 Difference]: Start difference. First operand 116 states and 162 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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) [2024-11-23 22:34:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:56,865 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-23 22:34:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:56,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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 28 [2024-11-23 22:34:56,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:56,867 INFO L225 Difference]: With dead ends: 116 [2024-11-23 22:34:56,867 INFO L226 Difference]: Without dead ends: 115 [2024-11-23 22:34:56,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:56,869 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 313 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 [2024-11-23 22:34:56,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-23 22:34:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-23 22:34:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 98 states have internal predecessors, (129), 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) [2024-11-23 22:34:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-11-23 22:34:56,886 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 28 [2024-11-23 22:34:56,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:56,886 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-11-23 22:34:56,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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) [2024-11-23 22:34:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-11-23 22:34:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-23 22:34:56,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:56,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:56,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:34:56,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:56,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:56,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1898940212, now seen corresponding path program 1 times [2024-11-23 22:34:56,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:56,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647534043] [2024-11-23 22:34:56,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:56,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:34:57,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:57,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647534043] [2024-11-23 22:34:57,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647534043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:57,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:57,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:57,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605698967] [2024-11-23 22:34:57,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:57,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:57,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:57,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:57,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:57,131 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:34:57,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:57,180 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-23 22:34:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-23 22:34:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:57,182 INFO L225 Difference]: With dead ends: 116 [2024-11-23 22:34:57,182 INFO L226 Difference]: Without dead ends: 115 [2024-11-23 22:34:57,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:57,186 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 37 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:57,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 422 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:57,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-23 22:34:57,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-23 22:34:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 97 states have internal predecessors, (128), 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) [2024-11-23 22:34:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-23 22:34:57,207 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 29 [2024-11-23 22:34:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:57,207 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-23 22:34:57,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:34:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-23 22:34:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-23 22:34:57,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:57,212 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:57,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:34:57,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:57,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:57,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1293609962, now seen corresponding path program 1 times [2024-11-23 22:34:57,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:57,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658460069] [2024-11-23 22:34:57,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:57,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 22:34:57,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658460069] [2024-11-23 22:34:57,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658460069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:57,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:57,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:34:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616276777] [2024-11-23 22:34:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:57,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:57,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:57,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:57,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:57,338 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:57,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:57,373 INFO L93 Difference]: Finished difference Result 189 states and 260 transitions. [2024-11-23 22:34:57,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:57,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-23 22:34:57,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:57,375 INFO L225 Difference]: With dead ends: 189 [2024-11-23 22:34:57,376 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 22:34:57,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:57,379 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 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 [2024-11-23 22:34:57,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:57,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 22:34:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-23 22:34:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 96 states have internal predecessors, (127), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2024-11-23 22:34:57,399 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 46 [2024-11-23 22:34:57,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:57,400 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2024-11-23 22:34:57,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2024-11-23 22:34:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-23 22:34:57,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:57,401 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:57,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:34:57,402 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:57,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:57,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2127284175, now seen corresponding path program 1 times [2024-11-23 22:34:57,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:57,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765201268] [2024-11-23 22:34:57,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-23 22:34:57,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:57,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765201268] [2024-11-23 22:34:57,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765201268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:34:57,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176638135] [2024-11-23 22:34:57,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:57,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:34:57,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:34:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:57,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:34:57,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:34:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 22:34:57,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:34:57,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176638135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:57,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:34:57,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 22:34:57,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15040553] [2024-11-23 22:34:57,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:57,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:57,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:57,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:57,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:57,747 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:57,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:57,777 INFO L93 Difference]: Finished difference Result 162 states and 216 transitions. [2024-11-23 22:34:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:57,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-23 22:34:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:57,779 INFO L225 Difference]: With dead ends: 162 [2024-11-23 22:34:57,779 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 22:34:57,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:57,780 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 457 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 [2024-11-23 22:34:57,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 457 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 22:34:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-23 22:34:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 88 states have (on average 1.4318181818181819) internal successors, (126), 96 states have internal predecessors, (126), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 156 transitions. [2024-11-23 22:34:57,798 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 156 transitions. Word has length 47 [2024-11-23 22:34:57,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:57,799 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 156 transitions. [2024-11-23 22:34:57,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2024-11-23 22:34:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 22:34:57,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:57,801 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:57,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:34:58,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:58,002 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:58,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:58,003 INFO L85 PathProgramCache]: Analyzing trace with hash -298385298, now seen corresponding path program 1 times [2024-11-23 22:34:58,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:58,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031898608] [2024-11-23 22:34:58,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 22:34:58,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:58,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031898608] [2024-11-23 22:34:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031898608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:58,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:34:58,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327664726] [2024-11-23 22:34:58,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:58,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:34:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:58,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:34:58,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:58,245 INFO L87 Difference]: Start difference. First operand 113 states and 156 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:34:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:58,270 INFO L93 Difference]: Finished difference Result 113 states and 156 transitions. [2024-11-23 22:34:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:34:58,272 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2024-11-23 22:34:58,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:58,275 INFO L225 Difference]: With dead ends: 113 [2024-11-23 22:34:58,275 INFO L226 Difference]: Without dead ends: 112 [2024-11-23 22:34:58,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:34:58,276 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 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 [2024-11-23 22:34:58,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:58,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-23 22:34:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-23 22:34:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 95 states have internal predecessors, (125), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 155 transitions. [2024-11-23 22:34:58,285 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 155 transitions. Word has length 53 [2024-11-23 22:34:58,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:58,286 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 155 transitions. [2024-11-23 22:34:58,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:34:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2024-11-23 22:34:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-23 22:34:58,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:58,287 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:58,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:34:58,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:58,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:58,288 INFO L85 PathProgramCache]: Analyzing trace with hash -660009392, now seen corresponding path program 1 times [2024-11-23 22:34:58,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:58,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431741052] [2024-11-23 22:34:58,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 22:34:58,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:58,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431741052] [2024-11-23 22:34:58,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431741052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:58,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:58,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964889680] [2024-11-23 22:34:58,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:58,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:58,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:58,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:58,452 INFO L87 Difference]: Start difference. First operand 112 states and 155 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:58,488 INFO L93 Difference]: Finished difference Result 113 states and 156 transitions. [2024-11-23 22:34:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:58,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-23 22:34:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:58,491 INFO L225 Difference]: With dead ends: 113 [2024-11-23 22:34:58,492 INFO L226 Difference]: Without dead ends: 112 [2024-11-23 22:34:58,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:58,494 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 37 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:58,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 404 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:58,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-23 22:34:58,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2024-11-23 22:34:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 94 states have internal predecessors, (124), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2024-11-23 22:34:58,516 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 54 [2024-11-23 22:34:58,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:58,517 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2024-11-23 22:34:58,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:34:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2024-11-23 22:34:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 22:34:58,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:58,519 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:58,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:34:58,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:58,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1914296098, now seen corresponding path program 1 times [2024-11-23 22:34:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:58,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6921160] [2024-11-23 22:34:58,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-23 22:34:58,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:58,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6921160] [2024-11-23 22:34:58,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6921160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:34:58,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769744204] [2024-11-23 22:34:58,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:58,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:58,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:58,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:34:58,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:34:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:58,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:34:58,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:34:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-23 22:34:58,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:34:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769744204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:58,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:34:58,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 22:34:58,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777039829] [2024-11-23 22:34:58,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:58,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:58,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:58,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:58,839 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:34:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:58,865 INFO L93 Difference]: Finished difference Result 149 states and 197 transitions. [2024-11-23 22:34:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-23 22:34:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:58,867 INFO L225 Difference]: With dead ends: 149 [2024-11-23 22:34:58,867 INFO L226 Difference]: Without dead ends: 111 [2024-11-23 22:34:58,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:58,868 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 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 [2024-11-23 22:34:58,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-23 22:34:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-23 22:34:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 94 states have internal predecessors, (123), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 153 transitions. [2024-11-23 22:34:58,887 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 153 transitions. Word has length 65 [2024-11-23 22:34:58,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:58,887 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 153 transitions. [2024-11-23 22:34:58,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:34:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2024-11-23 22:34:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 22:34:58,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:58,889 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:58,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:34:59,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:59,090 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:59,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash 166418422, now seen corresponding path program 1 times [2024-11-23 22:34:59,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:59,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968837489] [2024-11-23 22:34:59,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 22:34:59,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968837489] [2024-11-23 22:34:59,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968837489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:59,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:59,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112640736] [2024-11-23 22:34:59,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:59,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:59,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,185 INFO L87 Difference]: Start difference. First operand 111 states and 153 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-23 22:34:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:59,221 INFO L93 Difference]: Finished difference Result 112 states and 154 transitions. [2024-11-23 22:34:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:59,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 71 [2024-11-23 22:34:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:59,226 INFO L225 Difference]: With dead ends: 112 [2024-11-23 22:34:59,226 INFO L226 Difference]: Without dead ends: 111 [2024-11-23 22:34:59,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,227 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 4 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:59,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 432 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:59,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-23 22:34:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-23 22:34:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 93 states have internal predecessors, (122), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 22:34:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 152 transitions. [2024-11-23 22:34:59,243 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 152 transitions. Word has length 71 [2024-11-23 22:34:59,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:59,245 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 152 transitions. [2024-11-23 22:34:59,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-23 22:34:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2024-11-23 22:34:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 22:34:59,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:59,246 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:59,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:34:59,248 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:59,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash 864004068, now seen corresponding path program 1 times [2024-11-23 22:34:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:59,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447008637] [2024-11-23 22:34:59,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 22:34:59,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447008637] [2024-11-23 22:34:59,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447008637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:59,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:34:59,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534231079] [2024-11-23 22:34:59,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:59,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:59,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,347 INFO L87 Difference]: Start difference. First operand 110 states and 152 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-23 22:34:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:59,381 INFO L93 Difference]: Finished difference Result 117 states and 161 transitions. [2024-11-23 22:34:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:59,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 72 [2024-11-23 22:34:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:59,383 INFO L225 Difference]: With dead ends: 117 [2024-11-23 22:34:59,383 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 22:34:59,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,384 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:34:59,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 22:34:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-23 22:34:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 96 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:34:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 159 transitions. [2024-11-23 22:34:59,392 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 159 transitions. Word has length 72 [2024-11-23 22:34:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:59,392 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 159 transitions. [2024-11-23 22:34:59,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-23 22:34:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2024-11-23 22:34:59,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 22:34:59,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:59,394 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:59,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:34:59,394 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:59,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash 820342998, now seen corresponding path program 1 times [2024-11-23 22:34:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:59,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141723915] [2024-11-23 22:34:59,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 22:34:59,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141723915] [2024-11-23 22:34:59,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141723915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:34:59,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:34:59,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742696960] [2024-11-23 22:34:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:59,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,508 INFO L87 Difference]: Start difference. First operand 115 states and 159 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 22:34:59,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:59,531 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2024-11-23 22:34:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:59,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-23 22:34:59,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:59,536 INFO L225 Difference]: With dead ends: 138 [2024-11-23 22:34:59,536 INFO L226 Difference]: Without dead ends: 108 [2024-11-23 22:34:59,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:34:59,537 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 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 [2024-11-23 22:34:59,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:59,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-23 22:34:59,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-23 22:34:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 91 states have internal predecessors, (120), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:34:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 148 transitions. [2024-11-23 22:34:59,550 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 148 transitions. Word has length 77 [2024-11-23 22:34:59,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:59,551 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 148 transitions. [2024-11-23 22:34:59,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 22:34:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2024-11-23 22:34:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 22:34:59,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:59,566 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:59,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:34:59,567 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:34:59,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:34:59,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1647156851, now seen corresponding path program 1 times [2024-11-23 22:34:59,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:34:59,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561937291] [2024-11-23 22:34:59,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:34:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:34:59,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:34:59,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561937291] [2024-11-23 22:34:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561937291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:34:59,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960259646] [2024-11-23 22:34:59,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:34:59,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:34:59,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:34:59,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:34:59,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:34:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:34:59,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:34:59,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:34:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 22:34:59,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:34:59,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960259646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:34:59,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:34:59,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 22:34:59,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730125567] [2024-11-23 22:34:59,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:34:59,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:34:59,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:34:59,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:34:59,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:59,868 INFO L87 Difference]: Start difference. First operand 108 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:34:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:34:59,891 INFO L93 Difference]: Finished difference Result 122 states and 163 transitions. [2024-11-23 22:34:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:34:59,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2024-11-23 22:34:59,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:34:59,894 INFO L225 Difference]: With dead ends: 122 [2024-11-23 22:34:59,895 INFO L226 Difference]: Without dead ends: 108 [2024-11-23 22:34:59,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:34:59,896 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 430 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 [2024-11-23 22:34:59,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 430 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:34:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-23 22:34:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-23 22:34:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 91 states have internal predecessors, (119), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:34:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 147 transitions. [2024-11-23 22:34:59,908 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 147 transitions. Word has length 84 [2024-11-23 22:34:59,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:34:59,909 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 147 transitions. [2024-11-23 22:34:59,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:34:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2024-11-23 22:34:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-23 22:34:59,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:34:59,910 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:34:59,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:00,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:00,112 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:35:00,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1712246529, now seen corresponding path program 1 times [2024-11-23 22:35:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700210106] [2024-11-23 22:35:00,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:00,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:00,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700210106] [2024-11-23 22:35:00,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700210106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:00,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044694287] [2024-11-23 22:35:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:00,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:00,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:00,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:00,228 INFO L87 Difference]: Start difference. First operand 108 states and 147 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:00,253 INFO L93 Difference]: Finished difference Result 108 states and 147 transitions. [2024-11-23 22:35:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:00,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 91 [2024-11-23 22:35:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:00,255 INFO L225 Difference]: With dead ends: 108 [2024-11-23 22:35:00,256 INFO L226 Difference]: Without dead ends: 107 [2024-11-23 22:35:00,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:00,257 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 3 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:00,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 421 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-23 22:35:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-23 22:35:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 90 states have internal predecessors, (118), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:35:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 146 transitions. [2024-11-23 22:35:00,268 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 146 transitions. Word has length 91 [2024-11-23 22:35:00,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:00,269 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 146 transitions. [2024-11-23 22:35:00,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2024-11-23 22:35:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 22:35:00,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:00,270 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:00,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:35:00,271 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:35:00,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:00,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1540035152, now seen corresponding path program 1 times [2024-11-23 22:35:00,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:00,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091104746] [2024-11-23 22:35:00,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:00,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:00,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091104746] [2024-11-23 22:35:00,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091104746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:00,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:00,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:00,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975302408] [2024-11-23 22:35:00,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:00,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:00,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:00,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:00,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:00,412 INFO L87 Difference]: Start difference. First operand 107 states and 146 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:00,437 INFO L93 Difference]: Finished difference Result 113 states and 152 transitions. [2024-11-23 22:35:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-11-23 22:35:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:00,439 INFO L225 Difference]: With dead ends: 113 [2024-11-23 22:35:00,439 INFO L226 Difference]: Without dead ends: 107 [2024-11-23 22:35:00,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:00,440 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:00,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 428 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-23 22:35:00,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-23 22:35:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 90 states have internal predecessors, (117), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:35:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 145 transitions. [2024-11-23 22:35:00,450 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 145 transitions. Word has length 92 [2024-11-23 22:35:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:00,451 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 145 transitions. [2024-11-23 22:35:00,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2024-11-23 22:35:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 22:35:00,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:00,452 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:00,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:35:00,453 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 22:35:00,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:00,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2074873774, now seen corresponding path program 1 times [2024-11-23 22:35:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974882437] [2024-11-23 22:35:00,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:35:00,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:00,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974882437] [2024-11-23 22:35:00,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974882437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:35:00,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262971524] [2024-11-23 22:35:00,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:00,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:00,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:00,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:35:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:00,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:35:00,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-23 22:35:00,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:00,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262971524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:00,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:35:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 22:35:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233953461] [2024-11-23 22:35:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:00,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:00,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:00,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:00,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:35:00,797 INFO L87 Difference]: Start difference. First operand 107 states and 145 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:00,820 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2024-11-23 22:35:00,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:00,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-11-23 22:35:00,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:00,822 INFO L225 Difference]: With dead ends: 110 [2024-11-23 22:35:00,822 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:35:00,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:35:00,823 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:00,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:00,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:35:00,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:35:00,824 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) [2024-11-23 22:35:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:35:00,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2024-11-23 22:35:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:00,825 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:35:00,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 22:35:00,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:35:00,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:35:00,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 22:35:00,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 22:35:00,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 22:35:00,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 22:35:01,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:01,036 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:35:01,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:35:01,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:35:01,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:01 BoogieIcfgContainer [2024-11-23 22:35:01,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:35:01,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:35:01,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:35:01,126 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:35:01,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:55" (3/4) ... [2024-11-23 22:35:01,130 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:35:01,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 22:35:01,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-11-23 22:35:01,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 22:35:01,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-11-23 22:35:01,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 22:35:01,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 22:35:01,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:35:01,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:35:01,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:35:01,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:35:01,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:35:01,271 INFO L158 Benchmark]: Toolchain (without parser) took 7961.91ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 52.7MB in the end (delta: 61.1MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-23 22:35:01,271 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:01,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1635.84ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 51.5MB in the end (delta: 62.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-23 22:35:01,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.45ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 48.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:01,272 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:01,272 INFO L158 Benchmark]: RCFGBuilder took 781.93ms. Allocated memory is still 142.6MB. Free memory was 46.0MB in the beginning and 91.1MB in the end (delta: -45.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:01,272 INFO L158 Benchmark]: TraceAbstraction took 5214.84ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 59.6MB in the end (delta: 30.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:01,273 INFO L158 Benchmark]: Witness Printer took 144.21ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 52.7MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:01,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1635.84ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 51.5MB in the end (delta: 62.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.45ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 48.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 781.93ms. Allocated memory is still 142.6MB. Free memory was 46.0MB in the beginning and 91.1MB in the end (delta: -45.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5214.84ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 59.6MB in the end (delta: 30.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 144.21ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 52.7MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 125 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 6308 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4047 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2261 mSDtfsCounter, 131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1211 NumberOfCodeBlocks, 1211 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 873 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 576/586 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:35:01,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3d4648-b33d-4638-b833-312a0f741374/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE