./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_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_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/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_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a43fd7f2ac156bda89005f1738fbb3d5eb8d05dacd3fd2147fb898a099751ba7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:04:01,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:04:01,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:04:01,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:04:01,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:04:01,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:04:01,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:04:01,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:04:01,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:04:01,252 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:04:01,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:04:01,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:04:01,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:04:01,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:04:01,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:04:01,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:04:01,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:04:01,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:04:01,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:04:01,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:04:01,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:04:01,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:04:01,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:04:01,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:04:01,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:04:01,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:04:01,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:04:01,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:04:01,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:04:01,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:04:01,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:04:01,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:04:01,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:04:01,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:04:01,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:04:01,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:04:01,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:04:01,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:04:01,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:04:01,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:04:01,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:04:01,264 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_3b1ed412-9140-42f6-89b8-b50472670cbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a43fd7f2ac156bda89005f1738fbb3d5eb8d05dacd3fd2147fb898a099751ba7 [2023-11-29 03:04:01,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:04:01,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:04:01,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:04:01,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:04:01,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:04:01,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_good.i [2023-11-29 03:04:04,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:04:04,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:04:04,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_good.i [2023-11-29 03:04:04,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/data/3930b65b5/c01a243928c64321b3f1b895b0c500a0/FLAG568e554c6 [2023-11-29 03:04:04,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/data/3930b65b5/c01a243928c64321b3f1b895b0c500a0 [2023-11-29 03:04:04,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:04:04,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:04:04,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:04:04,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:04:04,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:04:04,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:04:04" (1/1) ... [2023-11-29 03:04:04,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502c6132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:04, skipping insertion in model container [2023-11-29 03:04:04,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:04:04" (1/1) ... [2023-11-29 03:04:04,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:04:05,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:04:05,527 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:04:05,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:04:05,751 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:04:05,751 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:04:05,751 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:04:05,751 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:04:05,759 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:04:05,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05 WrapperNode [2023-11-29 03:04:05,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:04:05,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:04:05,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:04:05,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:04:05,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,821 INFO L138 Inliner]: procedures = 502, calls = 90, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2023-11-29 03:04:05,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:04:05,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:04:05,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:04:05,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:04:05,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,855 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [1, 4, 4]. 44 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2023-11-29 03:04:05,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:04:05,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:04:05,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:04:05,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:04:05,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (1/1) ... [2023-11-29 03:04:05,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:04:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:05,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:05,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:04:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 03:04:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 03:04:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 03:04:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 03:04:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-29 03:04:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:04:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:04:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:04:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:04:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-29 03:04:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-29 03:04:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:04:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:04:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:04:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:04:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:04:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:04:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:04:06,092 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:04:06,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:04:06,294 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:04:06,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:04:06,332 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:04:06,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:06 BoogieIcfgContainer [2023-11-29 03:04:06,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:04:06,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:04:06,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:04:06,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:04:06,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:04:04" (1/3) ... [2023-11-29 03:04:06,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b63f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:04:06, skipping insertion in model container [2023-11-29 03:04:06,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:05" (2/3) ... [2023-11-29 03:04:06,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b63f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:04:06, skipping insertion in model container [2023-11-29 03:04:06,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:06" (3/3) ... [2023-11-29 03:04:06,341 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_11_good.i [2023-11-29 03:04:06,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:04:06,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 03:04:06,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:04:06,403 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;@f12f2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:04:06,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 03:04:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 03:04:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 03:04:06,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:06,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:06,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:06,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1266092005, now seen corresponding path program 1 times [2023-11-29 03:04:06,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:06,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490997890] [2023-11-29 03:04:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:06,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:06,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490997890] [2023-11-29 03:04:06,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490997890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:06,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:06,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:04:06,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609901213] [2023-11-29 03:04:06,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:06,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:04:06,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:04:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:06,824 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:04:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:06,892 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2023-11-29 03:04:06,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:04:06,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-29 03:04:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:06,902 INFO L225 Difference]: With dead ends: 78 [2023-11-29 03:04:06,903 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 03:04:06,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:06,909 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:06,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 260 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 03:04:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 03:04:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:04:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2023-11-29 03:04:06,946 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 19 [2023-11-29 03:04:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:06,947 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2023-11-29 03:04:06,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:04:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-29 03:04:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 03:04:06,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:06,949 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] [2023-11-29 03:04:06,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:04:06,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:06,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash -594146419, now seen corresponding path program 1 times [2023-11-29 03:04:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315935425] [2023-11-29 03:04:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:07,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:07,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315935425] [2023-11-29 03:04:07,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315935425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:07,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:07,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:04:07,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076780395] [2023-11-29 03:04:07,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:07,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:04:07,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:07,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:04:07,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:07,177 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:04:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:07,257 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2023-11-29 03:04:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:04:07,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-29 03:04:07,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:07,259 INFO L225 Difference]: With dead ends: 71 [2023-11-29 03:04:07,259 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 03:04:07,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:04:07,261 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 10 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:07,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 225 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:04:07,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 03:04:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 03:04:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 49 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:04:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2023-11-29 03:04:07,275 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 20 [2023-11-29 03:04:07,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:07,275 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2023-11-29 03:04:07,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:04:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-29 03:04:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 03:04:07,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:07,278 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:07,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:04:07,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:07,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:07,280 INFO L85 PathProgramCache]: Analyzing trace with hash -839420216, now seen corresponding path program 1 times [2023-11-29 03:04:07,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:07,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832295506] [2023-11-29 03:04:07,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 03:04:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 03:04:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 03:04:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 03:04:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832295506] [2023-11-29 03:04:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832295506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:07,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:07,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:04:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596508593] [2023-11-29 03:04:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:07,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:04:07,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:07,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:04:07,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:07,393 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:04:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:07,438 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2023-11-29 03:04:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:04:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-29 03:04:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:07,440 INFO L225 Difference]: With dead ends: 122 [2023-11-29 03:04:07,441 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 03:04:07,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:07,443 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:07,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 03:04:07,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 03:04:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2023-11-29 03:04:07,456 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 36 [2023-11-29 03:04:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:07,456 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-29 03:04:07,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:04:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-29 03:04:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 03:04:07,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:07,459 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:07,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:04:07,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:07,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:07,460 INFO L85 PathProgramCache]: Analyzing trace with hash 959492474, now seen corresponding path program 1 times [2023-11-29 03:04:07,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:07,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000251544] [2023-11-29 03:04:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:07,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 03:04:07,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000251544] [2023-11-29 03:04:07,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000251544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:07,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:07,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:04:07,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668942892] [2023-11-29 03:04:07,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:07,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:04:07,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:07,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:04:07,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:07,588 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 03:04:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:07,627 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2023-11-29 03:04:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:04:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 37 [2023-11-29 03:04:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:07,629 INFO L225 Difference]: With dead ends: 68 [2023-11-29 03:04:07,630 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 03:04:07,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:04:07,631 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:07,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 223 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 03:04:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 03:04:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.302325581395349) internal successors, (56), 47 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2023-11-29 03:04:07,642 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 37 [2023-11-29 03:04:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:07,643 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2023-11-29 03:04:07,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 03:04:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-29 03:04:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 03:04:07,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:07,645 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:07,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:04:07,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:07,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:07,647 INFO L85 PathProgramCache]: Analyzing trace with hash -320504276, now seen corresponding path program 1 times [2023-11-29 03:04:07,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:07,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912289441] [2023-11-29 03:04:07,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:07,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 03:04:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912289441] [2023-11-29 03:04:07,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912289441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:07,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:07,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:04:07,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550339806] [2023-11-29 03:04:07,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:07,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:04:07,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:04:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:07,811 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:04:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:07,879 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2023-11-29 03:04:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:04:07,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2023-11-29 03:04:07,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:07,881 INFO L225 Difference]: With dead ends: 67 [2023-11-29 03:04:07,881 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 03:04:07,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:04:07,883 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 9 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:07,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 270 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:07,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 03:04:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 03:04:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 46 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2023-11-29 03:04:07,892 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 38 [2023-11-29 03:04:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:07,892 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-29 03:04:07,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:04:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-29 03:04:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 03:04:07,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:07,894 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:07,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:04:07,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:07,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash 78506545, now seen corresponding path program 1 times [2023-11-29 03:04:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:07,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58137550] [2023-11-29 03:04:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 03:04:08,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:08,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58137550] [2023-11-29 03:04:08,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58137550] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:08,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746116822] [2023-11-29 03:04:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:08,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:08,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:08,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:04:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:08,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 03:04:08,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:08,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746116822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:08,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:08,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:08,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471905971] [2023-11-29 03:04:08,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:08,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:08,200 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:04:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:08,226 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2023-11-29 03:04:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-29 03:04:08,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:08,228 INFO L225 Difference]: With dead ends: 66 [2023-11-29 03:04:08,228 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 03:04:08,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:08,230 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 8 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:08,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 137 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:08,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 03:04:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 03:04:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.255813953488372) internal successors, (54), 45 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2023-11-29 03:04:08,239 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 47 [2023-11-29 03:04:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:08,239 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2023-11-29 03:04:08,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:04:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-29 03:04:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 03:04:08,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:08,241 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:08,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:08,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:08,445 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:08,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1861264267, now seen corresponding path program 1 times [2023-11-29 03:04:08,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128510093] [2023-11-29 03:04:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 03:04:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:08,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128510093] [2023-11-29 03:04:08,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128510093] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:08,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118297546] [2023-11-29 03:04:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:08,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:08,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:08,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:04:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:08,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:08,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 03:04:08,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:08,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118297546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:08,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:08,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:08,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473369859] [2023-11-29 03:04:08,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:08,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:08,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:08,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:08,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:08,737 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:04:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:08,764 INFO L93 Difference]: Finished difference Result 74 states and 96 transitions. [2023-11-29 03:04:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:08,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-11-29 03:04:08,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:08,766 INFO L225 Difference]: With dead ends: 74 [2023-11-29 03:04:08,766 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 03:04:08,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:08,767 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:08,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 149 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:08,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 03:04:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2023-11-29 03:04:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 49 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 03:04:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2023-11-29 03:04:08,776 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 48 [2023-11-29 03:04:08,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:08,777 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2023-11-29 03:04:08,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:04:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-29 03:04:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 03:04:08,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:08,778 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:08,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:04:08,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 03:04:08,981 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:08,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:08,981 INFO L85 PathProgramCache]: Analyzing trace with hash -671069760, now seen corresponding path program 1 times [2023-11-29 03:04:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:08,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933939333] [2023-11-29 03:04:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:04:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:04:09,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:09,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933939333] [2023-11-29 03:04:09,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933939333] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:09,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322622170] [2023-11-29 03:04:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:09,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:09,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:09,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:09,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:04:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:09,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:04:09,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322622170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:09,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:09,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:09,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649186891] [2023-11-29 03:04:09,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:09,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:09,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:09,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:09,286 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 03:04:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:09,307 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2023-11-29 03:04:09,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:09,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-11-29 03:04:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:09,309 INFO L225 Difference]: With dead ends: 70 [2023-11-29 03:04:09,309 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 03:04:09,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:09,310 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:09,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 137 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:09,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 03:04:09,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2023-11-29 03:04:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 44 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2023-11-29 03:04:09,318 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 54 [2023-11-29 03:04:09,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:09,319 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2023-11-29 03:04:09,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-29 03:04:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-11-29 03:04:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-29 03:04:09,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:09,320 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:09,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:04:09,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 03:04:09,526 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:09,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:09,527 INFO L85 PathProgramCache]: Analyzing trace with hash -609115162, now seen corresponding path program 1 times [2023-11-29 03:04:09,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:09,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161647964] [2023-11-29 03:04:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:09,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:04:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:04:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 03:04:09,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161647964] [2023-11-29 03:04:09,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161647964] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:09,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766570418] [2023-11-29 03:04:09,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:09,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:09,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:09,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:09,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:04:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:09,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:09,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 03:04:09,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:09,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766570418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:09,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:09,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:09,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953920290] [2023-11-29 03:04:09,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:09,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:09,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:09,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:09,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:09,825 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:09,847 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2023-11-29 03:04:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:09,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-11-29 03:04:09,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:09,849 INFO L225 Difference]: With dead ends: 64 [2023-11-29 03:04:09,849 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 03:04:09,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:09,850 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:09,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 140 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 03:04:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 03:04:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-29 03:04:09,857 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 58 [2023-11-29 03:04:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:09,857 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-29 03:04:09,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-29 03:04:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 03:04:09,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:09,859 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:09,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:04:10,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:04:10,065 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:10,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:10,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1702700681, now seen corresponding path program 1 times [2023-11-29 03:04:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31037167] [2023-11-29 03:04:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:04:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:04:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 03:04:10,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:10,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31037167] [2023-11-29 03:04:10,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31037167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:10,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056640397] [2023-11-29 03:04:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:10,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:10,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:10,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:10,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:04:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:10,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 03:04:10,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:10,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056640397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:10,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:10,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:10,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985107656] [2023-11-29 03:04:10,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:10,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:10,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:10,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:10,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:10,383 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:10,404 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2023-11-29 03:04:10,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:10,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-11-29 03:04:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:10,406 INFO L225 Difference]: With dead ends: 69 [2023-11-29 03:04:10,406 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 03:04:10,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:10,407 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:10,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 03:04:10,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 03:04:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 03:04:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2023-11-29 03:04:10,414 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 59 [2023-11-29 03:04:10,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:10,414 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2023-11-29 03:04:10,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-29 03:04:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 03:04:10,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:04:10,416 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:10,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:04:10,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:04:10,621 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 03:04:10,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1782919989, now seen corresponding path program 1 times [2023-11-29 03:04:10,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:10,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941215509] [2023-11-29 03:04:10,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:10,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:04:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:04:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 03:04:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:04:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 03:04:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 03:04:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:04:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:04:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:04:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 03:04:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 03:04:10,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:10,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941215509] [2023-11-29 03:04:10,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941215509] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:10,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117835895] [2023-11-29 03:04:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:10,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:10,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:10,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:04:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:10,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:04:10,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 03:04:10,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:04:10,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117835895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:10,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:04:10,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:04:10,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996598941] [2023-11-29 03:04:10,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:10,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:04:10,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:10,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:10,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:10,912 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:10,929 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2023-11-29 03:04:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:10,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-11-29 03:04:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:04:10,930 INFO L225 Difference]: With dead ends: 63 [2023-11-29 03:04:10,930 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:04:10,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:04:10,931 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:04:10,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:04:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:04:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:04:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:04:10,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2023-11-29 03:04:10,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:04:10,933 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:04:10,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 03:04:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:04:10,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:04:10,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 03:04:10,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 03:04:10,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 03:04:10,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 03:04:10,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 03:04:10,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 03:04:10,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 03:04:10,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 03:04:10,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:04:11,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:11,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:04:11,204 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 03:04:11,204 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:04:11,204 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 03:04:11,205 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:04:11,205 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-29 03:04:11,205 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-29 03:04:11,205 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 03:04:11,206 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1622-1(lines 1622 1628) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1571) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1581 1592) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1592) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point L1606-1(lines 1606 1612) no Hoare annotation was computed. [2023-11-29 03:04:11,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 03:04:11,208 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 03:04:11,208 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 03:04:11,208 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-29 03:04:11,208 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-29 03:04:11,208 INFO L899 garLoopResultBuilder]: For program point L1598-2(lines 1598 1605) no Hoare annotation was computed. [2023-11-29 03:04:11,208 INFO L895 garLoopResultBuilder]: At program point L1598-4(lines 1598 1605) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 03:04:11,208 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 03:04:11,208 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-29 03:04:11,208 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:04:11,209 INFO L902 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: true [2023-11-29 03:04:11,209 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2023-11-29 03:04:11,209 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-29 03:04:11,209 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 03:04:11,209 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2023-11-29 03:04:11,209 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 03:04:11,209 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 03:04:11,209 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-29 03:04:11,210 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-29 03:04:11,210 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-29 03:04:11,210 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2023-11-29 03:04:11,210 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-29 03:04:11,210 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-29 03:04:11,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-29 03:04:11,211 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2023-11-29 03:04:11,211 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-29 03:04:11,211 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) [2023-11-29 03:04:11,211 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-29 03:04:11,211 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2023-11-29 03:04:11,211 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 03:04:11,212 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-29 03:04:11,212 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1618 1621) no Hoare annotation was computed. [2023-11-29 03:04:11,212 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-29 03:04:11,212 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-29 03:04:11,212 INFO L895 garLoopResultBuilder]: At program point L1618-4(lines 1618 1621) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) [2023-11-29 03:04:11,212 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 03:04:11,213 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-29 03:04:11,213 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 03:04:11,213 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-29 03:04:11,213 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-29 03:04:11,213 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1577 1580) no Hoare annotation was computed. [2023-11-29 03:04:11,213 INFO L895 garLoopResultBuilder]: At program point L1577-4(lines 1577 1580) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 03:04:11,214 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 03:04:11,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:04:11,214 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2023-11-29 03:04:11,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-29 03:04:11,214 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2023-11-29 03:04:11,214 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 03:04:11,215 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-29 03:04:11,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-29 03:04:11,215 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-29 03:04:11,215 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1556 1571) no Hoare annotation was computed. [2023-11-29 03:04:11,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-29 03:04:11,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:11,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:04:11,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:04:11 BoogieIcfgContainer [2023-11-29 03:04:11,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:04:11,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:04:11,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:04:11,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:04:11,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:06" (3/4) ... [2023-11-29 03:04:11,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:04:11,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 03:04:11,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-29 03:04:11,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 03:04:11,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-29 03:04:11,238 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-29 03:04:11,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 03:04:11,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:04:11,240 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:04:11,338 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:04:11,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:04:11,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:04:11,340 INFO L158 Benchmark]: Toolchain (without parser) took 6674.03ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 122.6MB in the beginning and 50.0MB in the end (delta: 72.6MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,341 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:04:11,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.31ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 115.4MB in the end (delta: 6.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.28ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 111.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,342 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 155.2MB. Free memory was 111.9MB in the beginning and 109.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,342 INFO L158 Benchmark]: RCFGBuilder took 461.00ms. Allocated memory is still 155.2MB. Free memory was 109.1MB in the beginning and 89.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,343 INFO L158 Benchmark]: TraceAbstraction took 4890.81ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 56.3MB in the end (delta: 32.6MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,343 INFO L158 Benchmark]: Witness Printer took 113.60ms. Allocated memory is still 186.6MB. Free memory was 56.3MB in the beginning and 50.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:04:11,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.31ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 115.4MB in the end (delta: 6.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.28ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 111.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 155.2MB. Free memory was 111.9MB in the beginning and 109.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 461.00ms. Allocated memory is still 155.2MB. Free memory was 109.1MB in the beginning and 89.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4890.81ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 56.3MB in the end (delta: 32.6MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Witness Printer took 113.60ms. Allocated memory is still 186.6MB. Free memory was 56.3MB in the beginning and 50.0MB 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 2066 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1220 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 846 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 514 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 47 PreInvPairs, 58 NumberOfFragments, 118 HoareAnnotationTreeSize, 47 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 800 NumberOfCodeBlocks, 800 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 1017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1593 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 294/306 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:04:11,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ed412-9140-42f6-89b8-b50472670cbc/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