./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/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_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/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 32bit --witnessprinter.graph.data.programhash 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:06:54,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:06:54,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 04:06:54,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:06:54,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:06:54,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:06:54,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:06:54,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:06:54,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:06:54,698 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:06:54,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:06:54,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:06:54,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:06:54,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:06:54,701 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:06:54,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:06:54,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:06:54,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:06:54,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:06:54,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:06:54,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:06:54,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:06:54,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:06:54,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:06:54,707 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:06:54,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:06:54,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:06:54,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:06:54,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:06:54,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:06:54,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:06:54,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:06:54,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:06:54,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:06:54,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:06:54,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:06:54,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:06:54,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:06:54,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:06:54,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:06:54,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:06:54,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:06:54,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:06:54,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:06:54,713 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_f45a4c50-2eac-4b04-8555-47127d54fca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2023-11-29 04:06:54,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:06:54,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:06:54,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:06:54,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:06:54,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:06:54,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-29 04:06:57,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:06:57,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:06:57,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-29 04:06:57,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/data/3b0a0b45b/afe099fb94d94d99ba89ed1d6814079c/FLAGe30755799 [2023-11-29 04:06:57,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/data/3b0a0b45b/afe099fb94d94d99ba89ed1d6814079c [2023-11-29 04:06:57,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:06:57,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:06:57,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:06:57,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:06:57,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:06:57,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:06:57" (1/1) ... [2023-11-29 04:06:57,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c95e9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:57, skipping insertion in model container [2023-11-29 04:06:57,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:06:57" (1/1) ... [2023-11-29 04:06:58,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:06:58,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:06:58,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:06:58,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:06:58,449 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:06:58,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58 WrapperNode [2023-11-29 04:06:58,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:06:58,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:06:58,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:06:58,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:06:58,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,498 INFO L138 Inliner]: procedures = 142, calls = 65, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 186 [2023-11-29 04:06:58,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:06:58,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:06:58,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:06:58,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:06:58,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,555 INFO L175 MemorySlicer]: Split 28 memory accesses to 2 slices as follows [2, 26]. 93 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 7 writes are split as follows [0, 7]. [2023-11-29 04:06:58,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:06:58,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:06:58,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:06:58,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:06:58,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (1/1) ... [2023-11-29 04:06:58,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:06:58,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:06:58,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:06:58,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:06:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-29 04:06:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-29 04:06:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-29 04:06:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-29 04:06:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-29 04:06:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-29 04:06:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:06:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:06:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 04:06:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 04:06:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-29 04:06:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-29 04:06:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:06:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:06:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-29 04:06:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-29 04:06:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:06:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:06:58,806 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:06:58,809 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:06:59,080 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:06:59,140 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:06:59,140 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 04:06:59,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:59 BoogieIcfgContainer [2023-11-29 04:06:59,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:06:59,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:06:59,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:06:59,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:06:59,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:06:57" (1/3) ... [2023-11-29 04:06:59,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2f3671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:06:59, skipping insertion in model container [2023-11-29 04:06:59,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:06:58" (2/3) ... [2023-11-29 04:06:59,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2f3671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:06:59, skipping insertion in model container [2023-11-29 04:06:59,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:59" (3/3) ... [2023-11-29 04:06:59,149 INFO L112 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded-1.i [2023-11-29 04:06:59,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:06:59,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 04:06:59,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:06:59,222 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;@2432da51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:06:59,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 04:06:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 46 states have internal predecessors, (64), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:06:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:06:59,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:59,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:59,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:06:59,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:59,242 INFO L85 PathProgramCache]: Analyzing trace with hash 886481799, now seen corresponding path program 1 times [2023-11-29 04:06:59,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:59,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729899388] [2023-11-29 04:06:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:59,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:06:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:06:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:59,674 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 04:06:59,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:59,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729899388] [2023-11-29 04:06:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729899388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:59,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:06:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412591145] [2023-11-29 04:06:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:59,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:06:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:59,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:06:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:06:59,721 INFO L87 Difference]: Start difference. First operand has 63 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 46 states have internal predecessors, (64), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 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 04:07:00,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:00,031 INFO L93 Difference]: Finished difference Result 157 states and 239 transitions. [2023-11-29 04:07:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:07:00,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 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 17 [2023-11-29 04:07:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:00,041 INFO L225 Difference]: With dead ends: 157 [2023-11-29 04:07:00,041 INFO L226 Difference]: Without dead ends: 27 [2023-11-29 04:07:00,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:07:00,048 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 54 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:00,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 203 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:07:00,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-29 04:07:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-29 04:07:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 04:07:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2023-11-29 04:07:00,085 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 17 [2023-11-29 04:07:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:00,086 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2023-11-29 04:07:00,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 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 04:07:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-29 04:07:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 04:07:00,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:00,089 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-29 04:07:00,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:07:00,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:07:00,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2116341194, now seen corresponding path program 1 times [2023-11-29 04:07:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:00,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930362700] [2023-11-29 04:07:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:00,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:07:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:07:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:07:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 04:07:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:07:00,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:00,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930362700] [2023-11-29 04:07:00,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930362700] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:00,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80439045] [2023-11-29 04:07:00,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:00,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:00,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:07:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:00,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:07:00,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:07:00,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:07:00,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80439045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:00,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:07:00,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-29 04:07:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618634778] [2023-11-29 04:07:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:00,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:07:00,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:00,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:07:00,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:07:00,664 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 04:07:00,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:00,732 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2023-11-29 04:07:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:07:00,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 34 [2023-11-29 04:07:00,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:00,733 INFO L225 Difference]: With dead ends: 27 [2023-11-29 04:07:00,734 INFO L226 Difference]: Without dead ends: 26 [2023-11-29 04:07:00,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:07:00,736 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:00,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 49 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:07:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-29 04:07:00,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-29 04:07:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 04:07:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-11-29 04:07:00,743 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 34 [2023-11-29 04:07:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:00,743 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-11-29 04:07:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-29 04:07:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-29 04:07:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 04:07:00,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:00,745 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2023-11-29 04:07:00,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:07:00,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 04:07:00,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:07:00,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:00,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1182067501, now seen corresponding path program 1 times [2023-11-29 04:07:00,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:00,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015256248] [2023-11-29 04:07:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:07:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:07:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:07:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 04:07:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:07:01,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015256248] [2023-11-29 04:07:01,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015256248] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800386763] [2023-11-29 04:07:01,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:01,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:07:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:01,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:07:01,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:07:01,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:07:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 04:07:01,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800386763] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:07:01,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:07:01,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-11-29 04:07:01,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606731734] [2023-11-29 04:07:01,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:07:01,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 04:07:01,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:01,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 04:07:01,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:07:01,519 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-11-29 04:07:01,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:01,775 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2023-11-29 04:07:01,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:07:01,776 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 35 [2023-11-29 04:07:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:01,778 INFO L225 Difference]: With dead ends: 48 [2023-11-29 04:07:01,778 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 04:07:01,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:07:01,780 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:01,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 37 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:07:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 04:07:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 04:07:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:07:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2023-11-29 04:07:01,791 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 35 [2023-11-29 04:07:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:01,792 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2023-11-29 04:07:01,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-11-29 04:07:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-29 04:07:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 04:07:01,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:01,796 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1] [2023-11-29 04:07:01,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:07:01,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-29 04:07:02,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 04:07:02,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:02,000 INFO L85 PathProgramCache]: Analyzing trace with hash 282203618, now seen corresponding path program 2 times [2023-11-29 04:07:02,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:02,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841884568] [2023-11-29 04:07:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:07:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:07:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:07:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 04:07:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 04:07:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 04:07:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:07:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:07:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 04:07:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 04:07:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 04:07:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841884568] [2023-11-29 04:07:02,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841884568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508563507] [2023-11-29 04:07:02,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:07:02,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:07:02,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:07:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:07:02,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 04:07:02,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:07:02,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:07:02,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:07:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 04:07:02,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:07:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 04:07:03,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508563507] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:07:03,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:07:03,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-11-29 04:07:03,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884427766] [2023-11-29 04:07:03,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:07:03,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 04:07:03,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:03,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 04:07:03,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:07:03,127 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 17 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-11-29 04:07:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:03,489 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2023-11-29 04:07:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 04:07:03,490 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 86 [2023-11-29 04:07:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:03,491 INFO L225 Difference]: With dead ends: 55 [2023-11-29 04:07:03,491 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:07:03,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2023-11-29 04:07:03,493 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 33 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:03,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 27 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:07:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:07:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:07:03,494 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 04:07:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:07:03,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2023-11-29 04:07:03,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:03,495 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:07:03,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-11-29 04:07:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:07:03,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:07:03,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 04:07:03,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 04:07:03,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:07:03,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:07:03,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:07:03,840 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 566) no Hoare annotation was computed. [2023-11-29 04:07:03,841 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 566) the Hoare annotation is: true [2023-11-29 04:07:03,841 INFO L899 garLoopResultBuilder]: For program point L566-1(line 566) no Hoare annotation was computed. [2023-11-29 04:07:03,841 INFO L899 garLoopResultBuilder]: For program point ldv_list_addEXIT(lines 610 613) no Hoare annotation was computed. [2023-11-29 04:07:03,841 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 613) the Hoare annotation is: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|)) [2023-11-29 04:07:03,841 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|)) [2023-11-29 04:07:03,841 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-11-29 04:07:03,841 INFO L899 garLoopResultBuilder]: For program point ldv_successful_mallocEXIT(lines 579 583) no Hoare annotation was computed. [2023-11-29 04:07:03,842 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 579 583) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-29 04:07:03,842 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-11-29 04:07:03,842 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 570) no Hoare annotation was computed. [2023-11-29 04:07:03,842 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 596 604) the Hoare annotation is: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|)) [2023-11-29 04:07:03,842 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addEXIT(lines 596 604) no Hoare annotation was computed. [2023-11-29 04:07:03,842 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 682) no Hoare annotation was computed. [2023-11-29 04:07:03,842 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 656) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 693) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 646) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point L681(line 681) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L902 garLoopResultBuilder]: At program point L681-1(line 681) the Hoare annotation is: true [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point L681-2(line 681) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 693) no Hoare annotation was computed. [2023-11-29 04:07:03,843 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2023-11-29 04:07:03,843 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L902 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: true [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L673-2(line 673) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L640-1(line 640) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L902 garLoopResultBuilder]: At program point L673-3(line 673) the Hoare annotation is: true [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 640 645) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L673-4(line 673) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L673-6(line 673) no Hoare annotation was computed. [2023-11-29 04:07:03,844 INFO L902 garLoopResultBuilder]: At program point L698-3(lines 698 700) the Hoare annotation is: true [2023-11-29 04:07:03,844 INFO L899 garLoopResultBuilder]: For program point L698-4(lines 698 700) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 655) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L902 garLoopResultBuilder]: At program point L650-3(lines 650 655) the Hoare annotation is: true [2023-11-29 04:07:03,845 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 654) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L902 garLoopResultBuilder]: At program point L701-3(lines 701 703) the Hoare annotation is: true [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point L701-4(lines 701 703) no Hoare annotation was computed. [2023-11-29 04:07:03,845 INFO L899 garLoopResultBuilder]: For program point L693-2(line 693) no Hoare annotation was computed. [2023-11-29 04:07:03,846 INFO L899 garLoopResultBuilder]: For program point L693-3(line 693) no Hoare annotation was computed. [2023-11-29 04:07:03,846 INFO L895 garLoopResultBuilder]: At program point L693-4(lines 693 696) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2023-11-29 04:07:03,846 INFO L899 garLoopResultBuilder]: For program point L693-5(lines 693 696) no Hoare annotation was computed. [2023-11-29 04:07:03,846 INFO L902 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: true [2023-11-29 04:07:03,846 INFO L902 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: true [2023-11-29 04:07:03,846 INFO L899 garLoopResultBuilder]: For program point L677-1(line 677) no Hoare annotation was computed. [2023-11-29 04:07:03,846 INFO L899 garLoopResultBuilder]: For program point L644-1(line 644) no Hoare annotation was computed. [2023-11-29 04:07:03,846 INFO L899 garLoopResultBuilder]: For program point L677-2(line 677) no Hoare annotation was computed. [2023-11-29 04:07:03,847 INFO L902 garLoopResultBuilder]: At program point L677-3(line 677) the Hoare annotation is: true [2023-11-29 04:07:03,847 INFO L899 garLoopResultBuilder]: For program point L677-4(line 677) no Hoare annotation was computed. [2023-11-29 04:07:03,847 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:07:03,847 INFO L899 garLoopResultBuilder]: For program point L677-6(line 677) no Hoare annotation was computed. [2023-11-29 04:07:03,847 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and (<= |ULTIMATE.start_foo_~i~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2023-11-29 04:07:03,847 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2023-11-29 04:07:03,847 INFO L895 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and (<= |ULTIMATE.start_foo_~i~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2023-11-29 04:07:03,847 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 693 696) no Hoare annotation was computed. [2023-11-29 04:07:03,848 INFO L899 garLoopResultBuilder]: For program point ldv_is_in_setEXIT(lines 657 665) no Hoare annotation was computed. [2023-11-29 04:07:03,848 INFO L899 garLoopResultBuilder]: For program point ldv_is_in_setFINAL(lines 657 665) no Hoare annotation was computed. [2023-11-29 04:07:03,848 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 662) no Hoare annotation was computed. [2023-11-29 04:07:03,848 INFO L902 garLoopResultBuilder]: At program point L659-3(lines 659 663) the Hoare annotation is: true [2023-11-29 04:07:03,848 INFO L899 garLoopResultBuilder]: For program point L659-4(lines 659 663) no Hoare annotation was computed. [2023-11-29 04:07:03,848 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 665) the Hoare annotation is: true [2023-11-29 04:07:03,851 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-29 04:07:03,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:07:03,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:07:03 BoogieIcfgContainer [2023-11-29 04:07:03,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:07:03,865 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:07:03,865 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:07:03,865 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:07:03,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:06:59" (3/4) ... [2023-11-29 04:07:03,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:07:03,870 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-29 04:07:03,870 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2023-11-29 04:07:03,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_in_set [2023-11-29 04:07:03,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_successful_malloc [2023-11-29 04:07:03,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2023-11-29 04:07:03,878 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-29 04:07:03,879 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-29 04:07:03,880 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 04:07:03,880 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:07:03,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:07:03,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:07:03,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:07:03,985 INFO L158 Benchmark]: Toolchain (without parser) took 5999.62ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 96.3MB in the beginning and 131.6MB in the end (delta: -35.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,985 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:07:03,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.59ms. Allocated memory is still 134.2MB. Free memory was 96.3MB in the beginning and 75.8MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.16ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 73.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,986 INFO L158 Benchmark]: Boogie Preprocessor took 80.62ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 66.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,987 INFO L158 Benchmark]: RCFGBuilder took 560.55ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 66.5MB in the beginning and 116.3MB in the end (delta: -49.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,987 INFO L158 Benchmark]: TraceAbstraction took 4720.85ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 139.0MB in the end (delta: -23.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,988 INFO L158 Benchmark]: Witness Printer took 119.36ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 131.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:07:03,990 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 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.59ms. Allocated memory is still 134.2MB. Free memory was 96.3MB in the beginning and 75.8MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.16ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 73.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.62ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 66.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 560.55ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 66.5MB in the beginning and 116.3MB in the end (delta: -49.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4720.85ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 139.0MB in the end (delta: -23.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 119.36ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 131.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 693]: 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 6 procedures, 63 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 235 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 476 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 81 mSDtfsCounter, 476 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 312 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 73 PreInvPairs, 114 NumberOfFragments, 102 HoareAnnotationTreeSize, 73 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 327 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 1037 SizeOfPredicates, 7 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 448/593 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 2 specifications checked. All of them hold - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (((N <= 2147483647) && (1 <= i)) || ((i == 0) && (N <= 2147483647))) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 04:07:04,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45a4c50-2eac-4b04-8555-47127d54fca1/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