./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme --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 429362202b2145e3be30cd3003cde8f8b3b4934a9f78436781c6356e5d162e2c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:24,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:24,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:45:24,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:24,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:24,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:24,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:24,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:24,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:24,560 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:24,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:24,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:24,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:24,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:24,565 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:24,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:24,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:24,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:24,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:24,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:24,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:24,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:24,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:45:24,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:24,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:24,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:24,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:24,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:24,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:24,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:24,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:24,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:24,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:24,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:24,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:24,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:24,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:24,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:24,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:24,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:24,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:24,601 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_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 429362202b2145e3be30cd3003cde8f8b3b4934a9f78436781c6356e5d162e2c [2023-11-26 10:45:25,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:25,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:25,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:25,046 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:25,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:25,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i [2023-11-26 10:45:28,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:28,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:28,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i [2023-11-26 10:45:28,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/data/8bc4918b1/e3de6ec549e549c2966573bcdcd695ef/FLAGf068b4287 [2023-11-26 10:45:28,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/data/8bc4918b1/e3de6ec549e549c2966573bcdcd695ef [2023-11-26 10:45:28,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:28,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:28,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:28,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:28,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:28,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:28" (1/1) ... [2023-11-26 10:45:28,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cee9362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:28, skipping insertion in model container [2023-11-26 10:45:28,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:28" (1/1) ... [2023-11-26 10:45:28,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:29,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:29,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:29,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:30,021 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:30,022 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:30,023 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:30,023 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:30,033 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:30,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30 WrapperNode [2023-11-26 10:45:30,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:30,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:30,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:30,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:30,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,161 INFO L138 Inliner]: procedures = 502, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 136 [2023-11-26 10:45:30,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:30,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:30,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:30,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:30,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,254 INFO L175 MemorySlicer]: Split 9 memory accesses to 5 slices as follows [1, 2, 2, 2, 2]. 22 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2023-11-26 10:45:30,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:30,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:30,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:30,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:30,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (1/1) ... [2023-11-26 10:45:30,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:30,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:30,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:30,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:45:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:45:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:45:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:45:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:45:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:45:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:45:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:45:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:45:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:45:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:45:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:45:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:45:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:45:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:45:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:45:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:45:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:45:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:45:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:45:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:45:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:45:30,681 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:30,684 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:30,999 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:31,044 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:31,045 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:45:31,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:31 BoogieIcfgContainer [2023-11-26 10:45:31,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:31,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:45:31,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:45:31,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:45:31,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:45:28" (1/3) ... [2023-11-26 10:45:31,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75084a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:31, skipping insertion in model container [2023-11-26 10:45:31,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:30" (2/3) ... [2023-11-26 10:45:31,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75084a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:31, skipping insertion in model container [2023-11-26 10:45:31,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:31" (3/3) ... [2023-11-26 10:45:31,057 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_good.i [2023-11-26 10:45:31,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:45:31,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 10:45:31,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:45:31,154 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;@60472bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:45:31,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 10:45:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 38 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:45:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 10:45:31,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:31,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:31,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:45:31,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:31,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1017892941, now seen corresponding path program 1 times [2023-11-26 10:45:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:31,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229500474] [2023-11-26 10:45:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:31,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:31,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229500474] [2023-11-26 10:45:31,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229500474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:31,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:31,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:31,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056612314] [2023-11-26 10:45:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:31,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:31,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:31,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:31,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:31,939 INFO L87 Difference]: Start difference. First operand has 46 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 38 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:32,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,004 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2023-11-26 10:45:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:32,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-26 10:45:32,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:32,014 INFO L225 Difference]: With dead ends: 46 [2023-11-26 10:45:32,015 INFO L226 Difference]: Without dead ends: 37 [2023-11-26 10:45:32,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:32,024 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:32,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-26 10:45:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-26 10:45:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 32 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:45:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2023-11-26 10:45:32,073 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 8 [2023-11-26 10:45:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:32,073 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2023-11-26 10:45:32,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-26 10:45:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 10:45:32,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:32,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:32,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:45:32,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:45:32,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1489910147, now seen corresponding path program 1 times [2023-11-26 10:45:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411266841] [2023-11-26 10:45:32,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:32,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:32,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411266841] [2023-11-26 10:45:32,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411266841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:32,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:32,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545731341] [2023-11-26 10:45:32,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:32,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:32,315 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,342 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2023-11-26 10:45:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-26 10:45:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:32,344 INFO L225 Difference]: With dead ends: 37 [2023-11-26 10:45:32,344 INFO L226 Difference]: Without dead ends: 36 [2023-11-26 10:45:32,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:32,347 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:32,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:32,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-26 10:45:32,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-26 10:45:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:45:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-11-26 10:45:32,355 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 9 [2023-11-26 10:45:32,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:32,355 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-26 10:45:32,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-26 10:45:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 10:45:32,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:32,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:32,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:45:32,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:45:32,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1557815576, now seen corresponding path program 1 times [2023-11-26 10:45:32,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211052784] [2023-11-26 10:45:32,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 10:45:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:32,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:32,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211052784] [2023-11-26 10:45:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211052784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:32,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:32,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450627477] [2023-11-26 10:45:32,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:32,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:32,478 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,501 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2023-11-26 10:45:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-26 10:45:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:32,503 INFO L225 Difference]: With dead ends: 36 [2023-11-26 10:45:32,503 INFO L226 Difference]: Without dead ends: 35 [2023-11-26 10:45:32,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:32,505 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:32,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-26 10:45:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-26 10:45:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:45:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2023-11-26 10:45:32,513 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 21 [2023-11-26 10:45:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:32,514 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-26 10:45:32,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-26 10:45:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:45:32,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:32,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:32,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:45:32,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:45:32,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1047642464, now seen corresponding path program 1 times [2023-11-26 10:45:32,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7784095] [2023-11-26 10:45:32,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:45:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 10:45:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:32,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:32,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7784095] [2023-11-26 10:45:32,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7784095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:32,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:32,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:45:32,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466513889] [2023-11-26 10:45:32,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:32,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:45:32,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:45:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:45:32,942 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,994 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2023-11-26 10:45:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:45:32,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-26 10:45:32,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:32,998 INFO L225 Difference]: With dead ends: 35 [2023-11-26 10:45:32,999 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:45:33,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:45:33,012 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:33,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:45:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:45:33,018 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) [2023-11-26 10:45:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:45:33,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-26 10:45:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:33,019 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:45:33,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:45:33,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:45:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-26 10:45:33,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-26 10:45:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-26 10:45:33,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-26 10:45:33,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:45:33,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:45:33,049 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:45:33,050 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:45:33,050 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:45:33,050 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:45:33,051 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:45:33,051 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:45:33,051 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 10:45:33,052 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1605) no Hoare annotation was computed. [2023-11-26 10:45:33,052 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1596 1605) no Hoare annotation was computed. [2023-11-26 10:45:33,052 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2023-11-26 10:45:33,053 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 10:45:33,053 INFO L902 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: true [2023-11-26 10:45:33,053 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2023-11-26 10:45:33,054 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2023-11-26 10:45:33,054 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2023-11-26 10:45:33,055 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2023-11-26 10:45:33,055 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-26 10:45:33,055 INFO L902 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: true [2023-11-26 10:45:33,055 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-26 10:45:33,056 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2023-11-26 10:45:33,056 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-26 10:45:33,056 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:45:33,057 INFO L902 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: true [2023-11-26 10:45:33,057 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-26 10:45:33,057 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,058 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,058 INFO L899 garLoopResultBuilder]: For program point L1568-3(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,058 INFO L899 garLoopResultBuilder]: For program point L1568-5(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,058 INFO L899 garLoopResultBuilder]: For program point L1568-7(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,058 INFO L899 garLoopResultBuilder]: For program point L1568-8(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,061 INFO L899 garLoopResultBuilder]: For program point L1568-10(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,062 INFO L899 garLoopResultBuilder]: For program point L1568-12(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,063 INFO L899 garLoopResultBuilder]: For program point L1568-14(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,063 INFO L899 garLoopResultBuilder]: For program point L1568-16(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,066 INFO L899 garLoopResultBuilder]: For program point L1568-18(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,067 INFO L899 garLoopResultBuilder]: For program point L1568-20(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,067 INFO L899 garLoopResultBuilder]: For program point L1568-22(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,068 INFO L899 garLoopResultBuilder]: For program point L1568-23(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,068 INFO L899 garLoopResultBuilder]: For program point L1568-25(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,068 INFO L899 garLoopResultBuilder]: For program point L1568-27(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,068 INFO L899 garLoopResultBuilder]: For program point L1568-29(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,069 INFO L899 garLoopResultBuilder]: For program point L1568-30(line 1568) no Hoare annotation was computed. [2023-11-26 10:45:33,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:45:33,073 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 10:45:33,074 INFO L902 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: true [2023-11-26 10:45:33,074 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2023-11-26 10:45:33,078 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:45:33,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:45:33,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:45:33 BoogieIcfgContainer [2023-11-26 10:45:33,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:45:33,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:45:33,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:45:33,091 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:45:33,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:31" (3/4) ... [2023-11-26 10:45:33,094 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:45:33,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:45:33,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:45:33,110 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-26 10:45:33,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-26 10:45:33,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:45:33,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:45:33,248 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:45:33,249 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:45:33,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:45:33,250 INFO L158 Benchmark]: Toolchain (without parser) took 4695.79ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 153.1MB in the beginning and 171.0MB in the end (delta: -17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,250 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:33,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.15ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 89.4MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.42ms. Allocated memory is still 184.5MB. Free memory was 89.4MB in the beginning and 152.0MB in the end (delta: -62.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,251 INFO L158 Benchmark]: Boogie Preprocessor took 140.56ms. Allocated memory is still 184.5MB. Free memory was 152.0MB in the beginning and 148.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,252 INFO L158 Benchmark]: RCFGBuilder took 737.32ms. Allocated memory is still 184.5MB. Free memory was 148.9MB in the beginning and 126.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,252 INFO L158 Benchmark]: TraceAbstraction took 2042.07ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.9MB in the beginning and 177.2MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:33,253 INFO L158 Benchmark]: Witness Printer took 158.24ms. Allocated memory is still 222.3MB. Free memory was 177.2MB in the beginning and 171.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:45:33,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.15ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 89.4MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.42ms. Allocated memory is still 184.5MB. Free memory was 89.4MB in the beginning and 152.0MB in the end (delta: -62.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.56ms. Allocated memory is still 184.5MB. Free memory was 152.0MB in the beginning and 148.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.32ms. Allocated memory is still 184.5MB. Free memory was 148.9MB in the beginning and 126.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2042.07ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.9MB in the beginning and 177.2MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.24ms. Allocated memory is still 222.3MB. Free memory was 177.2MB in the beginning and 171.0MB 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: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: 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 3 procedures, 46 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 402 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 219 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 7 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 7 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:45:33,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3555686d-cd2e-429a-a1a3-4ef74a19538f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE