./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX --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 32bit --witnessprinter.graph.data.programhash 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:59:31,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:59:31,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 16:59:31,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:59:31,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:59:31,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:59:31,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:59:31,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:59:31,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:59:31,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:59:31,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:59:31,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:59:31,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:59:31,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:59:31,250 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:59:31,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:59:31,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:59:31,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:59:31,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:59:31,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:59:31,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:59:31,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:59:31,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:59:31,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:59:31,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:59:31,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:59:31,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:59:31,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:59:31,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:59:31,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:59:31,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:59:31,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:59:31,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:59:31,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:59:31,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:31,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:59:31,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:59:31,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:59:31,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:59:31,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:59:31,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:59:31,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:59:31,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:59:31,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:59:31,283 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2024-11-08 16:59:31,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:59:31,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:59:31,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:59:31,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:59:31,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:59:31,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i Unable to find full path for "g++" [2024-11-08 16:59:34,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:59:34,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:59:34,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2024-11-08 16:59:34,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/data/60fa4d88a/62b8ae8fa5404002a6eb0a1222246e69/FLAG688215011 [2024-11-08 16:59:34,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/data/60fa4d88a/62b8ae8fa5404002a6eb0a1222246e69 [2024-11-08 16:59:34,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:59:34,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:59:34,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:34,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:59:34,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:59:34,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:34" (1/1) ... [2024-11-08 16:59:34,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a69cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:34, skipping insertion in model container [2024-11-08 16:59:34,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:34" (1/1) ... [2024-11-08 16:59:34,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:59:35,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:35,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:59:35,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:35,127 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:59:35,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35 WrapperNode [2024-11-08 16:59:35,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:35,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:35,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:59:35,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:59:35,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,212 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2024-11-08 16:59:35,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:35,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:59:35,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:59:35,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:59:35,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,277 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 9, 3]. 64 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-11-08 16:59:35,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:59:35,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:59:35,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:59:35,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:59:35,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (1/1) ... [2024-11-08 16:59:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:35,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:35,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:59:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:59:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:59:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:59:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:59:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:59:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:59:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:59:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:59:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:59:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:59:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:59:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:59:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:59:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:59:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 16:59:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 16:59:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:59:35,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:59:35,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:59:36,203 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 16:59:36,203 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:59:36,231 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:59:36,231 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:59:36,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:36 BoogieIcfgContainer [2024-11-08 16:59:36,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:59:36,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:59:36,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:59:36,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:59:36,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:59:34" (1/3) ... [2024-11-08 16:59:36,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a82087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:36, skipping insertion in model container [2024-11-08 16:59:36,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:35" (2/3) ... [2024-11-08 16:59:36,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a82087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:36, skipping insertion in model container [2024-11-08 16:59:36,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:36" (3/3) ... [2024-11-08 16:59:36,250 INFO L112 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2024-11-08 16:59:36,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:59:36,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-08 16:59:36,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:59:36,398 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;@6ecbdf61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:59:36,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-08 16:59:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 76 states have (on average 1.6842105263157894) internal successors, (128), 104 states have internal predecessors, (128), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 16:59:36,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:36,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 16:59:36,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times [2024-11-08 16:59:36,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:36,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749191736] [2024-11-08 16:59:36,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:36,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:36,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749191736] [2024-11-08 16:59:36,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749191736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:36,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:36,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:36,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050962908] [2024-11-08 16:59:36,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:36,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:36,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:36,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:36,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:36,837 INFO L87 Difference]: Start difference. First operand has 109 states, 76 states have (on average 1.6842105263157894) internal successors, (128), 104 states have internal predecessors, (128), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-08 16:59:37,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:37,185 INFO L93 Difference]: Finished difference Result 254 states and 331 transitions. [2024-11-08 16:59:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:37,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-08 16:59:37,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:37,205 INFO L225 Difference]: With dead ends: 254 [2024-11-08 16:59:37,205 INFO L226 Difference]: Without dead ends: 145 [2024-11-08 16:59:37,209 INFO L431 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 [2024-11-08 16:59:37,214 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 40 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:37,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 301 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:59:37,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-08 16:59:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 118. [2024-11-08 16:59:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 86 states have (on average 1.6046511627906976) internal successors, (138), 113 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 144 transitions. [2024-11-08 16:59:37,312 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 144 transitions. Word has length 5 [2024-11-08 16:59:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:37,313 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 144 transitions. [2024-11-08 16:59:37,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-08 16:59:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-11-08 16:59:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:59:37,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:37,315 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-08 16:59:37,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:59:37,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:37,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash 351574077, now seen corresponding path program 1 times [2024-11-08 16:59:37,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:37,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439035339] [2024-11-08 16:59:37,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:37,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:37,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:37,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439035339] [2024-11-08 16:59:37,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439035339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:37,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143286724] [2024-11-08 16:59:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:37,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:37,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:37,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:37,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:59:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:37,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:59:37,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:37,846 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:59:37,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143286724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:37,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:59:37,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-08 16:59:37,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229537764] [2024-11-08 16:59:37,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:37,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:59:37,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:37,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:59:37,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:59:37,855 INFO L87 Difference]: Start difference. First operand 118 states and 144 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2024-11-08 16:59:38,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:38,183 INFO L93 Difference]: Finished difference Result 145 states and 180 transitions. [2024-11-08 16:59:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:59:38,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2024-11-08 16:59:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:38,186 INFO L225 Difference]: With dead ends: 145 [2024-11-08 16:59:38,187 INFO L226 Difference]: Without dead ends: 144 [2024-11-08 16:59:38,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:59:38,189 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 40 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:38,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 385 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:59:38,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-08 16:59:38,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 117. [2024-11-08 16:59:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 86 states have (on average 1.5930232558139534) internal successors, (137), 112 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 143 transitions. [2024-11-08 16:59:38,206 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 143 transitions. Word has length 9 [2024-11-08 16:59:38,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:38,207 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 143 transitions. [2024-11-08 16:59:38,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2024-11-08 16:59:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2024-11-08 16:59:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:59:38,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:38,208 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-08 16:59:38,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:59:38,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 16:59:38,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:38,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1986105456, now seen corresponding path program 1 times [2024-11-08 16:59:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:38,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200797521] [2024-11-08 16:59:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:59:38,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200797521] [2024-11-08 16:59:38,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200797521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:38,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:38,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:38,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140288425] [2024-11-08 16:59:38,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:38,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:38,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:38,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:38,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:38,533 INFO L87 Difference]: Start difference. First operand 117 states and 143 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-08 16:59:38,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:38,720 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2024-11-08 16:59:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:38,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2024-11-08 16:59:38,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:38,726 INFO L225 Difference]: With dead ends: 250 [2024-11-08 16:59:38,727 INFO L226 Difference]: Without dead ends: 143 [2024-11-08 16:59:38,728 INFO L431 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 [2024-11-08 16:59:38,730 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 39 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:38,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 282 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:59:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-08 16:59:38,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 113. [2024-11-08 16:59:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 83 states have (on average 1.5903614457831325) internal successors, (132), 108 states have internal predecessors, (132), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2024-11-08 16:59:38,746 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 10 [2024-11-08 16:59:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:38,746 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2024-11-08 16:59:38,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-08 16:59:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-11-08 16:59:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 16:59:38,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:38,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:38,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:59:38,749 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash 845507346, now seen corresponding path program 1 times [2024-11-08 16:59:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:38,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530302858] [2024-11-08 16:59:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:38,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:38,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:38,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530302858] [2024-11-08 16:59:38,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530302858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:38,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541630293] [2024-11-08 16:59:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:38,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:38,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:59:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:39,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:59:39,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:39,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:59:39,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541630293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:39,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:39,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 16:59:39,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259744364] [2024-11-08 16:59:39,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:39,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:59:39,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:39,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:59:39,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:59:39,142 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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) [2024-11-08 16:59:39,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:39,401 INFO L93 Difference]: Finished difference Result 254 states and 314 transitions. [2024-11-08 16:59:39,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:59:39,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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) Word has length 13 [2024-11-08 16:59:39,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:39,404 INFO L225 Difference]: With dead ends: 254 [2024-11-08 16:59:39,404 INFO L226 Difference]: Without dead ends: 148 [2024-11-08 16:59:39,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:59:39,410 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 80 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:39,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 463 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:59:39,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-08 16:59:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2024-11-08 16:59:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 116 states have internal predecessors, (140), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2024-11-08 16:59:39,441 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 13 [2024-11-08 16:59:39,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:39,442 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2024-11-08 16:59:39,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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) [2024-11-08 16:59:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2024-11-08 16:59:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 16:59:39,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:39,443 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:39,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:59:39,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:39,645 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:39,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:39,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1961282940, now seen corresponding path program 2 times [2024-11-08 16:59:39,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:39,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093717032] [2024-11-08 16:59:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 16:59:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093717032] [2024-11-08 16:59:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093717032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:39,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:39,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412946900] [2024-11-08 16:59:39,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:39,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:39,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:39,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:39,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:39,846 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-08 16:59:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:39,934 INFO L93 Difference]: Finished difference Result 244 states and 299 transitions. [2024-11-08 16:59:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:39,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 21 [2024-11-08 16:59:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:39,937 INFO L225 Difference]: With dead ends: 244 [2024-11-08 16:59:39,938 INFO L226 Difference]: Without dead ends: 167 [2024-11-08 16:59:39,940 INFO L431 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 [2024-11-08 16:59:39,945 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 45 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:39,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 328 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:59:39,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-08 16:59:39,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 127. [2024-11-08 16:59:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 97 states have (on average 1.5051546391752577) internal successors, (146), 122 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:59:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 152 transitions. [2024-11-08 16:59:39,979 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 152 transitions. Word has length 21 [2024-11-08 16:59:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:39,980 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 152 transitions. [2024-11-08 16:59:39,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-08 16:59:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2024-11-08 16:59:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 16:59:39,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:39,982 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:39,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:59:39,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:39,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:39,983 INFO L85 PathProgramCache]: Analyzing trace with hash -331686415, now seen corresponding path program 1 times [2024-11-08 16:59:39,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181911887] [2024-11-08 16:59:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 16:59:40,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:40,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181911887] [2024-11-08 16:59:40,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181911887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:40,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:40,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:59:40,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546368712] [2024-11-08 16:59:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:40,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:40,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:40,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:40,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:40,191 INFO L87 Difference]: Start difference. First operand 127 states and 152 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-08 16:59:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:40,314 INFO L93 Difference]: Finished difference Result 236 states and 285 transitions. [2024-11-08 16:59:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 23 [2024-11-08 16:59:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:40,316 INFO L225 Difference]: With dead ends: 236 [2024-11-08 16:59:40,316 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 16:59:40,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:40,319 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 35 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:40,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 215 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:59:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 16:59:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-11-08 16:59:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 114 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 144 transitions. [2024-11-08 16:59:40,340 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 144 transitions. Word has length 23 [2024-11-08 16:59:40,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:40,341 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 144 transitions. [2024-11-08 16:59:40,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-08 16:59:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-11-08 16:59:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 16:59:40,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:40,346 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:40,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:59:40,346 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:40,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash 514070461, now seen corresponding path program 1 times [2024-11-08 16:59:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:40,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242149132] [2024-11-08 16:59:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:40,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:40,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:40,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242149132] [2024-11-08 16:59:40,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242149132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:40,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399382379] [2024-11-08 16:59:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:40,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:40,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:40,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:59:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:40,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:59:40,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:40,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:40,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399382379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:40,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:40,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-08 16:59:40,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627630236] [2024-11-08 16:59:40,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:40,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:59:40,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:59:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:59:40,973 INFO L87 Difference]: Start difference. First operand 118 states and 144 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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) [2024-11-08 16:59:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:41,196 INFO L93 Difference]: Finished difference Result 255 states and 316 transitions. [2024-11-08 16:59:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:59:41,197 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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) Word has length 25 [2024-11-08 16:59:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:41,198 INFO L225 Difference]: With dead ends: 255 [2024-11-08 16:59:41,199 INFO L226 Difference]: Without dead ends: 152 [2024-11-08 16:59:41,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:59:41,201 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 28 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:41,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 457 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:59:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-08 16:59:41,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 134. [2024-11-08 16:59:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 130 states have internal predecessors, (156), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2024-11-08 16:59:41,225 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 25 [2024-11-08 16:59:41,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:41,226 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2024-11-08 16:59:41,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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) [2024-11-08 16:59:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2024-11-08 16:59:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 16:59:41,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:41,230 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:41,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:59:41,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:41,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:41,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1754931551, now seen corresponding path program 2 times [2024-11-08 16:59:41,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039678814] [2024-11-08 16:59:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039678814] [2024-11-08 16:59:41,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039678814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:41,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630335075] [2024-11-08 16:59:41,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:59:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:41,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:59:42,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:59:42,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:59:42,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:59:42,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:42,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:42,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630335075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:42,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:42,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-08 16:59:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411094586] [2024-11-08 16:59:42,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:42,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 16:59:42,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 16:59:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:59:42,707 INFO L87 Difference]: Start difference. First operand 134 states and 160 transitions. Second operand has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 34 states have internal predecessors, (74), 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) [2024-11-08 16:59:42,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:42,968 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2024-11-08 16:59:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-08 16:59:42,969 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 34 states have internal predecessors, (74), 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) Word has length 41 [2024-11-08 16:59:42,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:42,971 INFO L225 Difference]: With dead ends: 287 [2024-11-08 16:59:42,971 INFO L226 Difference]: Without dead ends: 184 [2024-11-08 16:59:42,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:59:42,973 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 80 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:42,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 321 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:59:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-08 16:59:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 166. [2024-11-08 16:59:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 143 states have (on average 1.3146853146853146) internal successors, (188), 162 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 192 transitions. [2024-11-08 16:59:42,986 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 192 transitions. Word has length 41 [2024-11-08 16:59:42,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:42,986 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 192 transitions. [2024-11-08 16:59:42,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 34 states have internal predecessors, (74), 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) [2024-11-08 16:59:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 192 transitions. [2024-11-08 16:59:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:59:42,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:42,989 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:43,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:59:43,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:43,194 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:43,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:43,194 INFO L85 PathProgramCache]: Analyzing trace with hash -881683351, now seen corresponding path program 3 times [2024-11-08 16:59:43,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:43,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065344060] [2024-11-08 16:59:43,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:43,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:59:44,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:44,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065344060] [2024-11-08 16:59:44,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065344060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:44,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610445748] [2024-11-08 16:59:44,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 16:59:44,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:44,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:59:44,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 16:59:44,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:59:44,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:59:44,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 16:59:44,922 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:59:44,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610445748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:44,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:59:44,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-08 16:59:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560089119] [2024-11-08 16:59:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:59:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:59:44,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 16:59:44,929 INFO L87 Difference]: Start difference. First operand 166 states and 192 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-08 16:59:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:45,000 INFO L93 Difference]: Finished difference Result 211 states and 248 transitions. [2024-11-08 16:59:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:45,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) Word has length 73 [2024-11-08 16:59:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:45,002 INFO L225 Difference]: With dead ends: 211 [2024-11-08 16:59:45,002 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 16:59:45,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 16:59:45,006 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 45 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:45,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 336 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:59:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 16:59:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 165. [2024-11-08 16:59:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 143 states have (on average 1.3076923076923077) internal successors, (187), 161 states have internal predecessors, (187), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 191 transitions. [2024-11-08 16:59:45,025 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 191 transitions. Word has length 73 [2024-11-08 16:59:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:45,027 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 191 transitions. [2024-11-08 16:59:45,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-08 16:59:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 191 transitions. [2024-11-08 16:59:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 16:59:45,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:45,029 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:45,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:59:45,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:45,230 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:45,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1562380003, now seen corresponding path program 1 times [2024-11-08 16:59:45,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:45,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640759291] [2024-11-08 16:59:45,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:45,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-08 16:59:45,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:45,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640759291] [2024-11-08 16:59:45,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640759291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:45,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:45,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:45,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891757109] [2024-11-08 16:59:45,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:45,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:45,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:45,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:45,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:45,402 INFO L87 Difference]: Start difference. First operand 165 states and 191 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-08 16:59:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:45,460 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2024-11-08 16:59:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:45,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) Word has length 74 [2024-11-08 16:59:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:45,462 INFO L225 Difference]: With dead ends: 256 [2024-11-08 16:59:45,462 INFO L226 Difference]: Without dead ends: 165 [2024-11-08 16:59:45,463 INFO L431 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 [2024-11-08 16:59:45,464 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 44 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:45,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 209 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:59:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-08 16:59:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-08 16:59:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 140 states have (on average 1.292857142857143) internal successors, (181), 157 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 185 transitions. [2024-11-08 16:59:45,483 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 185 transitions. Word has length 74 [2024-11-08 16:59:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:45,485 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 185 transitions. [2024-11-08 16:59:45,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-08 16:59:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 185 transitions. [2024-11-08 16:59:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 16:59:45,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:45,492 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:45,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:59:45,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:45,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash 28478404, now seen corresponding path program 1 times [2024-11-08 16:59:45,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:45,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13429584] [2024-11-08 16:59:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 16:59:45,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:45,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13429584] [2024-11-08 16:59:45,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13429584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:45,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460792685] [2024-11-08 16:59:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:45,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:45,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:45,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:59:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:45,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 16:59:45,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:59:46,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:59:48,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460792685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:48,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:48,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-08 16:59:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266461918] [2024-11-08 16:59:48,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:48,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-08 16:59:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:48,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-08 16:59:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-08 16:59:48,674 INFO L87 Difference]: Start difference. First operand 161 states and 185 transitions. Second operand has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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) [2024-11-08 16:59:49,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:49,474 INFO L93 Difference]: Finished difference Result 400 states and 484 transitions. [2024-11-08 16:59:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-08 16:59:49,475 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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) Word has length 78 [2024-11-08 16:59:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:49,477 INFO L225 Difference]: With dead ends: 400 [2024-11-08 16:59:49,478 INFO L226 Difference]: Without dead ends: 302 [2024-11-08 16:59:49,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1099, Invalid=3457, Unknown=0, NotChecked=0, Total=4556 [2024-11-08 16:59:49,482 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 279 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:49,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1150 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:59:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-08 16:59:49,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 229. [2024-11-08 16:59:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 208 states have (on average 1.1971153846153846) internal successors, (249), 225 states have internal predecessors, (249), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 253 transitions. [2024-11-08 16:59:49,498 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 253 transitions. Word has length 78 [2024-11-08 16:59:49,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:49,499 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 253 transitions. [2024-11-08 16:59:49,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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) [2024-11-08 16:59:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 253 transitions. [2024-11-08 16:59:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 16:59:49,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:49,506 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:49,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 16:59:49,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:49,707 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:49,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:49,708 INFO L85 PathProgramCache]: Analyzing trace with hash 764797723, now seen corresponding path program 2 times [2024-11-08 16:59:49,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:49,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767138492] [2024-11-08 16:59:49,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:49,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-11-08 16:59:50,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:50,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767138492] [2024-11-08 16:59:50,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767138492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:50,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:50,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:59:50,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849466431] [2024-11-08 16:59:50,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:50,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:50,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:50,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:50,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:50,173 INFO L87 Difference]: Start difference. First operand 229 states and 253 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-08 16:59:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:50,250 INFO L93 Difference]: Finished difference Result 316 states and 356 transitions. [2024-11-08 16:59:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) Word has length 146 [2024-11-08 16:59:50,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:50,253 INFO L225 Difference]: With dead ends: 316 [2024-11-08 16:59:50,253 INFO L226 Difference]: Without dead ends: 227 [2024-11-08 16:59:50,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:59:50,255 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 12 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:50,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 234 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:59:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-08 16:59:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 225. [2024-11-08 16:59:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 204 states have (on average 1.1764705882352942) internal successors, (240), 221 states have internal predecessors, (240), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:59:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 244 transitions. [2024-11-08 16:59:50,273 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 244 transitions. Word has length 146 [2024-11-08 16:59:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:50,275 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 244 transitions. [2024-11-08 16:59:50,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-08 16:59:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 244 transitions. [2024-11-08 16:59:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:59:50,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:50,277 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:50,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:59:50,278 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:50,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:50,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2045900649, now seen corresponding path program 1 times [2024-11-08 16:59:50,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:50,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231511950] [2024-11-08 16:59:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:50,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-11-08 16:59:50,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:50,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231511950] [2024-11-08 16:59:50,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231511950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:50,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:50,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:59:50,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231083887] [2024-11-08 16:59:50,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:50,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:50,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:50,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:50,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:50,530 INFO L87 Difference]: Start difference. First operand 225 states and 244 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-08 16:59:50,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:50,552 INFO L93 Difference]: Finished difference Result 227 states and 244 transitions. [2024-11-08 16:59:50,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:50,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 147 [2024-11-08 16:59:50,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:50,554 INFO L225 Difference]: With dead ends: 227 [2024-11-08 16:59:50,555 INFO L226 Difference]: Without dead ends: 153 [2024-11-08 16:59:50,555 INFO L431 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 [2024-11-08 16:59:50,556 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 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 [2024-11-08 16:59:50,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:59:50,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-08 16:59:50,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-08 16:59:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 151 states have (on average 1.0264900662251655) internal successors, (155), 152 states have internal predecessors, (155), 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) [2024-11-08 16:59:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2024-11-08 16:59:50,570 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 147 [2024-11-08 16:59:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:50,571 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2024-11-08 16:59:50,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-08 16:59:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2024-11-08 16:59:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 16:59:50,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:50,576 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:50,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:59:50,576 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:50,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 462478409, now seen corresponding path program 1 times [2024-11-08 16:59:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377510618] [2024-11-08 16:59:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:50,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-11-08 16:59:50,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:50,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377510618] [2024-11-08 16:59:50,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377510618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:50,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:50,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:50,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846281200] [2024-11-08 16:59:50,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:50,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:50,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:50,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:50,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:50,858 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-08 16:59:50,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:50,910 INFO L93 Difference]: Finished difference Result 166 states and 168 transitions. [2024-11-08 16:59:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:50,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) Word has length 150 [2024-11-08 16:59:50,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:50,913 INFO L225 Difference]: With dead ends: 166 [2024-11-08 16:59:50,913 INFO L226 Difference]: Without dead ends: 164 [2024-11-08 16:59:50,913 INFO L431 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 [2024-11-08 16:59:50,915 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:50,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:59:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-08 16:59:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-08 16:59:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.0246913580246915) internal successors, (166), 163 states have internal predecessors, (166), 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) [2024-11-08 16:59:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 166 transitions. [2024-11-08 16:59:50,928 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 166 transitions. Word has length 150 [2024-11-08 16:59:50,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:50,929 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 166 transitions. [2024-11-08 16:59:50,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-08 16:59:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 166 transitions. [2024-11-08 16:59:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-08 16:59:50,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:50,932 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:50,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:59:50,932 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 16:59:50,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:50,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2075468395, now seen corresponding path program 1 times [2024-11-08 16:59:50,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:50,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095385502] [2024-11-08 16:59:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:50,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 16:59:55,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:55,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095385502] [2024-11-08 16:59:55,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095385502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:55,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716304323] [2024-11-08 16:59:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:55,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:55,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:55,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:59:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:55,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-08 16:59:55,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 16:59:55,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:00:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 17:00:01,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716304323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:00:01,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:00:01,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-11-08 17:00:01,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247221552] [2024-11-08 17:00:01,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:00:01,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-11-08 17:00:01,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:00:01,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-11-08 17:00:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-08 17:00:01,131 INFO L87 Difference]: Start difference. First operand 164 states and 166 transitions. Second operand has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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) [2024-11-08 17:00:01,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:01,895 INFO L93 Difference]: Finished difference Result 329 states and 364 transitions. [2024-11-08 17:00:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-08 17:00:01,896 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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) Word has length 161 [2024-11-08 17:00:01,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:01,898 INFO L225 Difference]: With dead ends: 329 [2024-11-08 17:00:01,899 INFO L226 Difference]: Without dead ends: 292 [2024-11-08 17:00:01,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-08 17:00:01,905 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:01,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 127 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:00:01,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-08 17:00:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-08 17:00:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 290 states have (on average 1.013793103448276) internal successors, (294), 291 states have internal predecessors, (294), 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) [2024-11-08 17:00:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 294 transitions. [2024-11-08 17:00:01,931 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 294 transitions. Word has length 161 [2024-11-08 17:00:01,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:01,932 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 294 transitions. [2024-11-08 17:00:01,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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) [2024-11-08 17:00:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 294 transitions. [2024-11-08 17:00:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-08 17:00:01,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:01,939 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:01,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:00:02,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 17:00:02,140 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:00:02,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1330517173, now seen corresponding path program 2 times [2024-11-08 17:00:02,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:00:02,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518492722] [2024-11-08 17:00:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:00:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 17:00:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:00:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518492722] [2024-11-08 17:00:15,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518492722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:00:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690028286] [2024-11-08 17:00:15,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:00:15,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:00:15,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:00:15,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:00:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:00:15,550 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:00:15,550 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:00:15,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-08 17:00:15,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:00:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 17:00:16,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:00:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 17:00:32,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690028286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:00:32,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:00:32,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 258 [2024-11-08 17:00:32,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633177804] [2024-11-08 17:00:32,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:00:32,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 258 states [2024-11-08 17:00:32,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:00:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2024-11-08 17:00:32,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-08 17:00:32,716 INFO L87 Difference]: Start difference. First operand 292 states and 294 transitions. Second operand has 258 states, 258 states have (on average 2.0736434108527133) internal successors, (535), 258 states have internal predecessors, (535), 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) [2024-11-08 17:00:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:34,715 INFO L93 Difference]: Finished difference Result 585 states and 652 transitions. [2024-11-08 17:00:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2024-11-08 17:00:34,716 INFO L78 Accepts]: Start accepts. Automaton has has 258 states, 258 states have (on average 2.0736434108527133) internal successors, (535), 258 states have internal predecessors, (535), 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) Word has length 289 [2024-11-08 17:00:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:34,719 INFO L225 Difference]: With dead ends: 585 [2024-11-08 17:00:34,720 INFO L226 Difference]: Without dead ends: 548 [2024-11-08 17:00:34,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20662 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-08 17:00:34,730 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:34,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 203 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:00:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-08 17:00:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-08 17:00:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 546 states have (on average 1.0073260073260073) internal successors, (550), 547 states have internal predecessors, (550), 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) [2024-11-08 17:00:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 550 transitions. [2024-11-08 17:00:34,756 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 550 transitions. Word has length 289 [2024-11-08 17:00:34,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:34,757 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 550 transitions. [2024-11-08 17:00:34,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 258 states, 258 states have (on average 2.0736434108527133) internal successors, (535), 258 states have internal predecessors, (535), 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) [2024-11-08 17:00:34,758 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 550 transitions. [2024-11-08 17:00:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-08 17:00:34,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:34,773 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:34,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 17:00:34,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 17:00:34,974 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:00:34,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:34,975 INFO L85 PathProgramCache]: Analyzing trace with hash -308378891, now seen corresponding path program 3 times [2024-11-08 17:00:34,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:00:34,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580126862] [2024-11-08 17:00:34,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:34,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:00:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 32147 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 17:01:15,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:01:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580126862] [2024-11-08 17:01:15,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580126862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:01:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530779895] [2024-11-08 17:01:15,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:01:15,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:01:15,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:01:15,234 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:01:15,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:01:15,550 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 17:01:15,550 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:01:15,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:01:15,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:01:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 32147 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32137 trivial. 0 not checked. [2024-11-08 17:01:16,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:01:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530779895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:01:16,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:01:16,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [257] total 260 [2024-11-08 17:01:16,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542833081] [2024-11-08 17:01:16,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:01:16,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:01:16,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:01:16,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:01:16,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-08 17:01:16,068 INFO L87 Difference]: Start difference. First operand 548 states and 550 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-11-08 17:01:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:01:16,110 INFO L93 Difference]: Finished difference Result 548 states and 550 transitions. [2024-11-08 17:01:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:01:16,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) Word has length 545 [2024-11-08 17:01:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:01:16,114 INFO L225 Difference]: With dead ends: 548 [2024-11-08 17:01:16,114 INFO L226 Difference]: Without dead ends: 547 [2024-11-08 17:01:16,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16761 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-08 17:01:16,123 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:01:16,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 67 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:01:16,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-08 17:01:16,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-11-08 17:01:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 546 states have (on average 1.0054945054945055) internal successors, (549), 546 states have internal predecessors, (549), 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) [2024-11-08 17:01:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 549 transitions. [2024-11-08 17:01:16,146 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 549 transitions. Word has length 545 [2024-11-08 17:01:16,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:01:16,147 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 549 transitions. [2024-11-08 17:01:16,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-11-08 17:01:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 549 transitions. [2024-11-08 17:01:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-08 17:01:16,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:01:16,162 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:01:16,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 17:01:16,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 17:01:16,366 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-08 17:01:16,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:01:16,367 INFO L85 PathProgramCache]: Analyzing trace with hash -969810833, now seen corresponding path program 1 times [2024-11-08 17:01:16,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:01:16,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777399340] [2024-11-08 17:01:16,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:01:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:01:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 32148 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32138 trivial. 0 not checked. [2024-11-08 17:01:16,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:01:16,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777399340] [2024-11-08 17:01:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777399340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:01:16,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:01:16,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:01:16,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157003895] [2024-11-08 17:01:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:01:16,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:01:16,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:01:16,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:01:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:01:16,789 INFO L87 Difference]: Start difference. First operand 547 states and 549 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-08 17:01:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:01:16,826 INFO L93 Difference]: Finished difference Result 547 states and 549 transitions. [2024-11-08 17:01:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:01:16,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) Word has length 546 [2024-11-08 17:01:16,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:01:16,828 INFO L225 Difference]: With dead ends: 547 [2024-11-08 17:01:16,828 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:01:16,829 INFO L431 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 [2024-11-08 17:01:16,829 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:01:16,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 48 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:01:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:01:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:01:16,830 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) [2024-11-08 17:01:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:01:16,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 546 [2024-11-08 17:01:16,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:01:16,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:01:16,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-08 17:01:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:01:16,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:01:16,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-08 17:01:16,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-08 17:01:16,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-08 17:01:16,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-08 17:01:16,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-08 17:01:16,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-08 17:01:16,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-08 17:01:16,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-08 17:01:16,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-08 17:01:16,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-08 17:01:16,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-08 17:01:16,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-08 17:01:16,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-08 17:01:16,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-08 17:01:16,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-08 17:01:16,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-08 17:01:16,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-08 17:01:16,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-08 17:01:16,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-08 17:01:16,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-08 17:01:16,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-08 17:01:16,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-08 17:01:16,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-08 17:01:16,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:01:16,844 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:01:16,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:01:18,717 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:01:18,735 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-11-08 17:01:18,737 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~v~0 [2024-11-08 17:01:18,737 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~v~0 [2024-11-08 17:01:18,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:01:18 BoogieIcfgContainer [2024-11-08 17:01:18,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:01:18,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:01:18,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:01:18,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:01:18,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:36" (3/4) ... [2024-11-08 17:01:18,752 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:01:18,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 17:01:18,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 17:01:18,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 17:01:18,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:01:18,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:01:18,892 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:01:18,892 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:01:18,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:01:18,893 INFO L158 Benchmark]: Toolchain (without parser) took 104291.26ms. Allocated memory was 125.8MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 63.3MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,894 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:01:18,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.98ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 63.2MB in the beginning and 115.1MB in the end (delta: -51.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,895 INFO L158 Benchmark]: Boogie Preprocessor took 106.77ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,895 INFO L158 Benchmark]: RCFGBuilder took 908.54ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 108.5MB in the end (delta: 2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,896 INFO L158 Benchmark]: TraceAbstraction took 102510.13ms. Allocated memory was 155.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 107.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 943.6MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,896 INFO L158 Benchmark]: Witness Printer took 144.97ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:01:18,898 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.98ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 63.2MB in the beginning and 115.1MB in the end (delta: -51.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.77ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.54ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 108.5MB in the end (delta: 2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 102510.13ms. Allocated memory was 155.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 107.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 943.6MB. Max. memory is 16.1GB. * Witness Printer took 144.97ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~v~0 * 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: 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 2 procedures, 109 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 100.5s, OverallIterations: 18, TraceHistogramMax: 127, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 798 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 776 mSDsluCounter, 5262 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4013 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2528 IncrementalHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 1249 mSDtfsCounter, 2528 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2387 GetRequests, 1564 SyntacticMatches, 0 SemanticMatches, 823 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44542 ImplicationChecksByTransitivity, 55.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=16, InterpolantAutomatonStates: 552, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 317 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 88.2s InterpolantComputationTime, 3590 NumberOfCodeBlocks, 3026 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2617 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 33 InterpolantComputations, 12 PerfectInterpolantSequences, 71470/134529 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((n == 0) && (0 <= (v + 2147483648))) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((size == 0) && (i == 0)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((n == 0) && (0 <= (v + 2147483648))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((1 <= x) && (n == 0)) || ((n == 0) && (x == 0))) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((n == 0) && (0 <= (v + 2147483648))) && (x == 0)) && (v <= 99999)) - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-11-08 17:01:18,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a853fbfd-56b7-4d5d-81de-b674b52084b3/bin/uautomizer-verify-jihMAELWvX/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