./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b51f4029fe0e1c73647ce717f5ff8982ee8d75d5414b6a5aec430492393b6a2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:52:11,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:52:11,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:52:11,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:52:11,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:52:11,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:52:11,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:52:11,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:52:11,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:52:11,701 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:52:11,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:52:11,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:52:11,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:52:11,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:52:11,704 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:52:11,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:52:11,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:52:11,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:52:11,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:52:11,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:52:11,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:52:11,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:52:11,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:52:11,708 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:52:11,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:52:11,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:52:11,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:52:11,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:52:11,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:52:11,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:52:11,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:52:11,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:52:11,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:52:11,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:52:11,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:52:11,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:52:11,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:52:11,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:52:11,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:52:11,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:52:11,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:52:11,713 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_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b51f4029fe0e1c73647ce717f5ff8982ee8d75d5414b6a5aec430492393b6a2 [2023-11-29 03:52:11,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:52:11,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:52:11,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:52:11,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:52:11,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:52:11,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i [2023-11-29 03:52:14,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:52:15,021 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:52:15,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i [2023-11-29 03:52:15,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/data/f70634e4b/c7cdd3aa19584d26907c31e8fd40ee36/FLAGc7fc84d9d [2023-11-29 03:52:15,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/data/f70634e4b/c7cdd3aa19584d26907c31e8fd40ee36 [2023-11-29 03:52:15,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:52:15,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:52:15,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:52:15,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:52:15,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:52:15,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:52:15" (1/1) ... [2023-11-29 03:52:15,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594d8afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:15, skipping insertion in model container [2023-11-29 03:52:15,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:52:15" (1/1) ... [2023-11-29 03:52:15,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:52:15,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:52:15,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:52:16,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:52:16,193 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:52:16,193 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:52:16,193 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:52:16,193 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:52:16,201 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:52:16,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16 WrapperNode [2023-11-29 03:52:16,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:52:16,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:52:16,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:52:16,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:52:16,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,264 INFO L138 Inliner]: procedures = 502, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2023-11-29 03:52:16,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:52:16,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:52:16,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:52:16,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:52:16,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,297 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 03:52:16,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:52:16,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:52:16,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:52:16,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:52:16,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (1/1) ... [2023-11-29 03:52:16,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:52:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:16,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:52:16,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:52:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 03:52:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 03:52:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 03:52:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 03:52:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-29 03:52:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-29 03:52:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:52:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:52:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:52:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-29 03:52:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-29 03:52:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:52:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:52:16,553 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:52:16,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:52:16,744 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:52:16,775 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:52:16,775 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:52:16,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:52:16 BoogieIcfgContainer [2023-11-29 03:52:16,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:52:16,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:52:16,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:52:16,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:52:16,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:52:15" (1/3) ... [2023-11-29 03:52:16,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1d5051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:52:16, skipping insertion in model container [2023-11-29 03:52:16,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:52:16" (2/3) ... [2023-11-29 03:52:16,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1d5051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:52:16, skipping insertion in model container [2023-11-29 03:52:16,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:52:16" (3/3) ... [2023-11-29 03:52:16,785 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_11_good.i [2023-11-29 03:52:16,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:52:16,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 03:52:16,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:52:16,866 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f593dc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:52:16,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 03:52:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 03:52:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 03:52:16,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:16,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:16,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:16,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:16,886 INFO L85 PathProgramCache]: Analyzing trace with hash 55766273, now seen corresponding path program 1 times [2023-11-29 03:52:16,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:16,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211138590] [2023-11-29 03:52:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:52:17,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:17,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211138590] [2023-11-29 03:52:17,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211138590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:17,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:52:17,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:52:17,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622122646] [2023-11-29 03:52:17,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:17,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:17,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:17,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:52:17,220 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:52:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:17,281 INFO L93 Difference]: Finished difference Result 149 states and 193 transitions. [2023-11-29 03:52:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:17,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-29 03:52:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:17,290 INFO L225 Difference]: With dead ends: 149 [2023-11-29 03:52:17,290 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 03:52:17,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:52:17,297 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 3 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:17,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 188 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:17,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 03:52:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2023-11-29 03:52:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 54 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 03:52:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2023-11-29 03:52:17,343 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 19 [2023-11-29 03:52:17,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:17,343 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2023-11-29 03:52:17,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:52:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-29 03:52:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 03:52:17,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:17,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:17,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:52:17,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:17,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash -753580353, now seen corresponding path program 1 times [2023-11-29 03:52:17,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:17,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889502951] [2023-11-29 03:52:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:52:17,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:17,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889502951] [2023-11-29 03:52:17,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889502951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:17,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:52:17,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:52:17,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256549157] [2023-11-29 03:52:17,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:17,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:52:17,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:17,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:52:17,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:52:17,485 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:52:17,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:17,516 INFO L93 Difference]: Finished difference Result 132 states and 169 transitions. [2023-11-29 03:52:17,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:52:17,516 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-29 03:52:17,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:17,518 INFO L225 Difference]: With dead ends: 132 [2023-11-29 03:52:17,518 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 03:52:17,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:52:17,521 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:17,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:17,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 03:52:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 03:52:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2023-11-29 03:52:17,532 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 19 [2023-11-29 03:52:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:17,532 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2023-11-29 03:52:17,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:52:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-29 03:52:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 03:52:17,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:17,534 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:17,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:52:17,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:17,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash -447765931, now seen corresponding path program 1 times [2023-11-29 03:52:17,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:17,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540092437] [2023-11-29 03:52:17,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 03:52:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:52:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 03:52:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:52:17,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:17,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540092437] [2023-11-29 03:52:17,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540092437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:17,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:52:17,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:52:17,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080395516] [2023-11-29 03:52:17,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:17,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:52:17,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:52:17,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:52:17,657 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:17,686 INFO L93 Difference]: Finished difference Result 118 states and 148 transitions. [2023-11-29 03:52:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:52:17,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-29 03:52:17,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:17,688 INFO L225 Difference]: With dead ends: 118 [2023-11-29 03:52:17,688 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 03:52:17,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:52:17,690 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:17,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 03:52:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-29 03:52:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:52:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2023-11-29 03:52:17,701 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 36 [2023-11-29 03:52:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:17,702 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2023-11-29 03:52:17,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-29 03:52:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 03:52:17,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:17,704 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:17,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:52:17,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:17,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:17,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1249086082, now seen corresponding path program 1 times [2023-11-29 03:52:17,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:17,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131783647] [2023-11-29 03:52:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:52:17,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:17,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131783647] [2023-11-29 03:52:17,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131783647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:17,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:52:17,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:52:17,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329979047] [2023-11-29 03:52:17,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:17,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:17,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:17,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:17,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:52:17,796 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:17,824 INFO L93 Difference]: Finished difference Result 111 states and 136 transitions. [2023-11-29 03:52:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:17,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-29 03:52:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:17,827 INFO L225 Difference]: With dead ends: 111 [2023-11-29 03:52:17,827 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 03:52:17,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:52:17,829 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:17,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 140 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:17,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 03:52:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2023-11-29 03:52:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2023-11-29 03:52:17,840 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 37 [2023-11-29 03:52:17,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:17,840 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2023-11-29 03:52:17,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-29 03:52:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 03:52:17,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:17,842 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:17,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:52:17,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:17,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:17,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2058432708, now seen corresponding path program 1 times [2023-11-29 03:52:17,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:17,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865064235] [2023-11-29 03:52:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:17,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 03:52:17,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865064235] [2023-11-29 03:52:17,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865064235] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509828307] [2023-11-29 03:52:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:17,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:17,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:17,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:52:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:18,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:52:18,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:18,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509828307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:18,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:18,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:18,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357903254] [2023-11-29 03:52:18,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:18,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:18,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:18,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:18,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:18,111 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:18,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:18,134 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2023-11-29 03:52:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:18,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-29 03:52:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:18,136 INFO L225 Difference]: With dead ends: 68 [2023-11-29 03:52:18,136 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 03:52:18,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:18,138 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 6 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:18,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 126 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 03:52:18,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 03:52:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 47 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2023-11-29 03:52:18,147 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 37 [2023-11-29 03:52:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:18,148 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2023-11-29 03:52:18,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-29 03:52:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 03:52:18,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:18,149 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:18,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:52:18,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:18,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:18,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:18,354 INFO L85 PathProgramCache]: Analyzing trace with hash 613095590, now seen corresponding path program 1 times [2023-11-29 03:52:18,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:18,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208198523] [2023-11-29 03:52:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:18,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 03:52:18,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:18,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208198523] [2023-11-29 03:52:18,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208198523] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:18,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137136947] [2023-11-29 03:52:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:18,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:18,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:18,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:52:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:18,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:52:18,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:18,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137136947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:18,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:18,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:18,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048982886] [2023-11-29 03:52:18,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:18,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:18,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:18,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:18,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:18,557 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:18,583 INFO L93 Difference]: Finished difference Result 106 states and 130 transitions. [2023-11-29 03:52:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:18,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2023-11-29 03:52:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:18,585 INFO L225 Difference]: With dead ends: 106 [2023-11-29 03:52:18,585 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 03:52:18,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:18,587 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:18,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:18,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 03:52:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2023-11-29 03:52:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 46 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2023-11-29 03:52:18,597 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 38 [2023-11-29 03:52:18,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:18,597 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2023-11-29 03:52:18,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:52:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-29 03:52:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 03:52:18,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:18,599 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:18,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:52:18,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 03:52:18,802 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:18,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:18,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1531266017, now seen corresponding path program 1 times [2023-11-29 03:52:18,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:18,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89656952] [2023-11-29 03:52:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:18,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:52:18,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:18,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89656952] [2023-11-29 03:52:18,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89656952] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:18,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175290396] [2023-11-29 03:52:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:18,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:18,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:18,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:18,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:52:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:18,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:18,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:52:19,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:19,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175290396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:19,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:19,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:19,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813547350] [2023-11-29 03:52:19,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:19,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,017 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:52:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:19,043 INFO L93 Difference]: Finished difference Result 75 states and 96 transitions. [2023-11-29 03:52:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-29 03:52:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:19,045 INFO L225 Difference]: With dead ends: 75 [2023-11-29 03:52:19,045 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 03:52:19,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,046 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 4 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:19,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 138 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 03:52:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2023-11-29 03:52:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 49 states have internal predecessors, (57), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:52:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2023-11-29 03:52:19,055 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 47 [2023-11-29 03:52:19,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:19,056 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2023-11-29 03:52:19,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:52:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-29 03:52:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 03:52:19,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:19,058 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:19,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:52:19,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:19,264 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:19,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash -224606143, now seen corresponding path program 1 times [2023-11-29 03:52:19,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:19,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114654006] [2023-11-29 03:52:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:52:19,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:19,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114654006] [2023-11-29 03:52:19,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114654006] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:19,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882312770] [2023-11-29 03:52:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:19,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:19,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:19,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:19,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:52:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:19,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:52:19,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:19,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882312770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:19,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:19,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:19,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698215106] [2023-11-29 03:52:19,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:19,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:19,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:19,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:19,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,481 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:52:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:19,503 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2023-11-29 03:52:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-11-29 03:52:19,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:19,505 INFO L225 Difference]: With dead ends: 71 [2023-11-29 03:52:19,505 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 03:52:19,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,506 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 5 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:19,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 128 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:19,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 03:52:19,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2023-11-29 03:52:19,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 48 states have internal predecessors, (56), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:52:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2023-11-29 03:52:19,514 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 48 [2023-11-29 03:52:19,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:19,514 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2023-11-29 03:52:19,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:52:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-29 03:52:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 03:52:19,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:19,516 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:19,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:52:19,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:19,722 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:19,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:19,730 INFO L85 PathProgramCache]: Analyzing trace with hash -267647626, now seen corresponding path program 1 times [2023-11-29 03:52:19,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:19,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521647958] [2023-11-29 03:52:19,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:19,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:52:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-29 03:52:19,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521647958] [2023-11-29 03:52:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521647958] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651086021] [2023-11-29 03:52:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:19,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:19,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:52:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:19,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:19,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-29 03:52:19,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:19,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651086021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:19,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:19,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592853321] [2023-11-29 03:52:19,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:19,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:19,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:19,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:19,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,953 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 03:52:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:19,971 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2023-11-29 03:52:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:19,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2023-11-29 03:52:19,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:19,973 INFO L225 Difference]: With dead ends: 69 [2023-11-29 03:52:19,973 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 03:52:19,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:19,974 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:19,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 126 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 03:52:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2023-11-29 03:52:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.186046511627907) internal successors, (51), 44 states have internal predecessors, (51), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2023-11-29 03:52:19,981 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 53 [2023-11-29 03:52:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:19,981 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2023-11-29 03:52:19,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 03:52:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-29 03:52:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 03:52:19,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:19,983 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:19,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:52:20,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:20,189 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:20,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1143423118, now seen corresponding path program 1 times [2023-11-29 03:52:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:20,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723282380] [2023-11-29 03:52:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:52:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:52:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 03:52:20,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723282380] [2023-11-29 03:52:20,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723282380] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657306806] [2023-11-29 03:52:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:20,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:20,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:20,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:52:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:20,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 03:52:20,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:20,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657306806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:20,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:20,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:20,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144787930] [2023-11-29 03:52:20,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:20,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:20,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:20,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:20,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:20,420 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:20,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:20,439 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2023-11-29 03:52:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:20,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-11-29 03:52:20,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:20,441 INFO L225 Difference]: With dead ends: 70 [2023-11-29 03:52:20,441 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 03:52:20,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:20,442 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:20,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 137 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:20,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 03:52:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2023-11-29 03:52:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.173913043478261) internal successors, (54), 47 states have internal predecessors, (54), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:52:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2023-11-29 03:52:20,449 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 58 [2023-11-29 03:52:20,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:20,450 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2023-11-29 03:52:20,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-29 03:52:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 03:52:20,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:20,452 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:20,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:52:20,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:52:20,658 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:20,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:20,658 INFO L85 PathProgramCache]: Analyzing trace with hash 631584244, now seen corresponding path program 1 times [2023-11-29 03:52:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059888894] [2023-11-29 03:52:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:20,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:52:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:52:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 03:52:20,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:20,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059888894] [2023-11-29 03:52:20,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059888894] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:20,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392349456] [2023-11-29 03:52:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:20,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:20,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:52:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:20,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:20,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 03:52:20,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392349456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:20,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821575631] [2023-11-29 03:52:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:20,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:20,892 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:20,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:20,907 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2023-11-29 03:52:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:20,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-11-29 03:52:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:20,909 INFO L225 Difference]: With dead ends: 68 [2023-11-29 03:52:20,909 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 03:52:20,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:20,910 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:20,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:20,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 03:52:20,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2023-11-29 03:52:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:52:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2023-11-29 03:52:20,917 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 58 [2023-11-29 03:52:20,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:20,917 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2023-11-29 03:52:20,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-29 03:52:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 03:52:20,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:52:20,918 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:20,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:52:21,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 03:52:21,119 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:52:21,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:52:21,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1086378139, now seen corresponding path program 1 times [2023-11-29 03:52:21,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:52:21,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766767839] [2023-11-29 03:52:21,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:21,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:52:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:52:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:52:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:52:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 03:52:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:52:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:52:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:52:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:52:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:52:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:52:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 03:52:21,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:52:21,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766767839] [2023-11-29 03:52:21,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766767839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:52:21,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170450489] [2023-11-29 03:52:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:52:21,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:52:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:52:21,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:52:21,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:52:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:52:21,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:52:21,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:52:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 03:52:21,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:52:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170450489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:52:21,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:52:21,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:52:21,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311971804] [2023-11-29 03:52:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:52:21,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:52:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:52:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:52:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:21,332 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:21,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:52:21,346 INFO L93 Difference]: Finished difference Result 63 states and 80 transitions. [2023-11-29 03:52:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:52:21,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-11-29 03:52:21,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:52:21,347 INFO L225 Difference]: With dead ends: 63 [2023-11-29 03:52:21,347 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:52:21,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:52:21,348 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:52:21,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 130 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:52:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:52:21,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:52:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:52:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:52:21,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2023-11-29 03:52:21,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:52:21,350 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:52:21,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:52:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:52:21,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:52:21,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 03:52:21,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 03:52:21,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 03:52:21,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 03:52:21,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 03:52:21,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 03:52:21,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 03:52:21,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 03:52:21,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:52:21,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:52:21,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:52:21,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 03:52:21,610 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:52:21,610 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 03:52:21,610 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:52:21,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-29 03:52:21,611 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-29 03:52:21,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 03:52:21,611 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 03:52:21,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 03:52:21,611 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-29 03:52:21,611 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-29 03:52:21,612 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-29 03:52:21,612 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2023-11-29 03:52:21,612 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-29 03:52:21,612 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1621 1624) no Hoare annotation was computed. [2023-11-29 03:52:21,612 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-29 03:52:21,612 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-29 03:52:21,612 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-29 03:52:21,612 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-29 03:52:21,612 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-29 03:52:21,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2023-11-29 03:52:21,614 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2023-11-29 03:52:21,615 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-29 03:52:21,615 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 03:52:21,615 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2023-11-29 03:52:21,615 INFO L895 garLoopResultBuilder]: At program point L1600-4(lines 1600 1607) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-29 03:52:21,615 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-29 03:52:21,615 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-29 03:52:21,615 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2023-11-29 03:52:21,615 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-29 03:52:21,616 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-29 03:52:21,616 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-29 03:52:21,616 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-29 03:52:21,617 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (or (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (< 2147483646 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-29 03:52:21,618 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-29 03:52:21,618 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1548 1573) no Hoare annotation was computed. [2023-11-29 03:52:21,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-29 03:52:21,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-29 03:52:21,619 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-29 03:52:21,622 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:52:21,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:52:21,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:52:21 BoogieIcfgContainer [2023-11-29 03:52:21,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:52:21,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:52:21,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:52:21,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:52:21,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:52:16" (3/4) ... [2023-11-29 03:52:21,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:52:21,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 03:52:21,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-29 03:52:21,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 03:52:21,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-29 03:52:21,642 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 03:52:21,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 03:52:21,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:52:21,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:52:21,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:52:21,742 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:52:21,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:52:21,742 INFO L158 Benchmark]: Toolchain (without parser) took 6682.58ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 96.2MB in the beginning and 79.5MB in the end (delta: 16.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,743 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:52:21,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1141.29ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 95.8MB in the beginning and 128.6MB in the end (delta: -32.8MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 125.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,744 INFO L158 Benchmark]: Boogie Preprocessor took 44.48ms. Allocated memory is still 178.3MB. Free memory was 125.4MB in the beginning and 122.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,744 INFO L158 Benchmark]: RCFGBuilder took 464.82ms. Allocated memory is still 178.3MB. Free memory was 122.3MB in the beginning and 104.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,744 INFO L158 Benchmark]: TraceAbstraction took 4850.77ms. Allocated memory is still 178.3MB. Free memory was 103.3MB in the beginning and 85.8MB in the end (delta: 17.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,745 INFO L158 Benchmark]: Witness Printer took 112.19ms. Allocated memory is still 178.3MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:52:21,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1141.29ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 95.8MB in the beginning and 128.6MB in the end (delta: -32.8MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 125.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.48ms. Allocated memory is still 178.3MB. Free memory was 125.4MB in the beginning and 122.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.82ms. Allocated memory is still 178.3MB. Free memory was 122.3MB in the beginning and 104.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4850.77ms. Allocated memory is still 178.3MB. Free memory was 103.3MB in the beginning and 85.8MB in the end (delta: 17.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 112.19ms. Allocated memory is still 178.3MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 1830 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 940 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 890 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 19 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 87 PreInvPairs, 102 NumberOfFragments, 70 HoareAnnotationTreeSize, 87 FomulaSimplifications, 31 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 907 NumberOfCodeBlocks, 907 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 887 ConstructedInterpolants, 0 QuantifiedInterpolants, 1065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1440 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 386/400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:52:21,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4cc6cd2-946e-4d29-948c-25f8de6eb8a8/bin/uautomizer-verify-BQ2R08f2Ya/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