./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/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_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/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_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/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 4e858e92769826ad06862da6c445d838ea78539ebefca17b20a88b6678436e7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:26:33,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:26:33,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:26:33,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:26:33,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:26:33,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:26:33,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:26:33,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:26:33,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:26:33,196 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:26:33,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:26:33,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:26:33,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:26:33,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:26:33,199 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:26:33,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:26:33,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:26:33,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:26:33,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:26:33,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:26:33,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:26:33,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:26:33,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:26:33,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:26:33,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:26:33,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:26:33,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:26:33,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:26:33,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:26:33,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:26:33,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:33,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:26:33,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:26:33,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:26:33,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:26:33,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:26:33,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:26:33,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:26:33,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:26:33,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:26:33,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:26:33,209 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_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e858e92769826ad06862da6c445d838ea78539ebefca17b20a88b6678436e7e [2023-11-29 03:26:33,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:26:33,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:26:33,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:26:33,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:26:33,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:26:33,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i [2023-11-29 03:26:36,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:26:36,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:26:36,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i [2023-11-29 03:26:36,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/data/eed784d75/11a5df423c2341739c5a2f0b43f4c4d4/FLAG70de8493e [2023-11-29 03:26:36,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/data/eed784d75/11a5df423c2341739c5a2f0b43f4c4d4 [2023-11-29 03:26:36,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:26:36,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:26:36,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:36,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:26:36,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:26:36,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:36" (1/1) ... [2023-11-29 03:26:36,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61845ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:36, skipping insertion in model container [2023-11-29 03:26:36,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:26:36" (1/1) ... [2023-11-29 03:26:36,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:26:37,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:37,422 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:26:37,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:26:37,635 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:37,635 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:37,635 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:37,636 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:26:37,643 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:26:37,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37 WrapperNode [2023-11-29 03:26:37,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:26:37,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:37,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:26:37,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:26:37,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,707 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112 [2023-11-29 03:26:37,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:26:37,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:26:37,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:26:37,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:26:37,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,738 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [1, 5]. 83 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2023-11-29 03:26:37,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:26:37,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:26:37,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:26:37,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:26:37,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (1/1) ... [2023-11-29 03:26:37,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:26:37,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:37,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:26:37,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:26:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 03:26:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 03:26:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 03:26:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:26:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:26:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:26:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:26:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:26:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:26:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:26:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:26:37,998 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:26:38,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:26:38,171 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:26:38,202 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:26:38,202 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 03:26:38,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:38 BoogieIcfgContainer [2023-11-29 03:26:38,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:26:38,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:26:38,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:26:38,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:26:38,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:26:36" (1/3) ... [2023-11-29 03:26:38,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f90f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:38, skipping insertion in model container [2023-11-29 03:26:38,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:26:37" (2/3) ... [2023-11-29 03:26:38,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f90f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:26:38, skipping insertion in model container [2023-11-29 03:26:38,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:38" (3/3) ... [2023-11-29 03:26:38,211 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i [2023-11-29 03:26:38,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:26:38,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-29 03:26:38,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:26:38,282 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;@3ec1c3f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:26:38,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-29 03:26:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.6857142857142857) internal successors, (59), 47 states have internal predecessors, (59), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 03:26:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 03:26:38,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:38,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:38,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:38,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash -997598772, now seen corresponding path program 1 times [2023-11-29 03:26:38,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:38,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078595534] [2023-11-29 03:26:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:38,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:38,620 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 03:26:38,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:38,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078595534] [2023-11-29 03:26:38,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078595534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:38,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:38,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:38,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123866918] [2023-11-29 03:26:38,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:38,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:38,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:38,657 INFO L87 Difference]: Start difference. First operand has 55 states, 35 states have (on average 1.6857142857142857) internal successors, (59), 47 states have internal predecessors, (59), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:38,734 INFO L93 Difference]: Finished difference Result 107 states and 134 transitions. [2023-11-29 03:26:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-29 03:26:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:38,742 INFO L225 Difference]: With dead ends: 107 [2023-11-29 03:26:38,742 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 03:26:38,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:38,748 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 3 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:38,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 164 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 03:26:38,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-29 03:26:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 47 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-11-29 03:26:38,780 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 9 [2023-11-29 03:26:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:38,781 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-11-29 03:26:38,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-11-29 03:26:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 03:26:38,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:38,783 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:38,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:26:38,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:38,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:38,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1708732794, now seen corresponding path program 1 times [2023-11-29 03:26:38,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:38,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652284328] [2023-11-29 03:26:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:38,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:38,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:38,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652284328] [2023-11-29 03:26:38,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652284328] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:38,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131492248] [2023-11-29 03:26:38,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:38,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:38,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:38,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:38,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:26:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:26:39,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:26:39,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:39,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131492248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:39,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:39,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 03:26:39,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715145948] [2023-11-29 03:26:39,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:39,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:39,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:39,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:39,102 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:39,146 INFO L93 Difference]: Finished difference Result 98 states and 115 transitions. [2023-11-29 03:26:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:39,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 03:26:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:39,148 INFO L225 Difference]: With dead ends: 98 [2023-11-29 03:26:39,149 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 03:26:39,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:39,151 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 40 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:39,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 128 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:39,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 03:26:39,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 03:26:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 43 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-11-29 03:26:39,160 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 12 [2023-11-29 03:26:39,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:39,160 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-29 03:26:39,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-29 03:26:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 03:26:39,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:39,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:39,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:26:39,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:39,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:39,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1160335677, now seen corresponding path program 1 times [2023-11-29 03:26:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752796745] [2023-11-29 03:26:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:39,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:39,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752796745] [2023-11-29 03:26:39,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752796745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:39,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:39,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:39,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225969916] [2023-11-29 03:26:39,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:39,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:39,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:39,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:39,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:39,429 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:39,459 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2023-11-29 03:26:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:39,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 03:26:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:39,460 INFO L225 Difference]: With dead ends: 88 [2023-11-29 03:26:39,461 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 03:26:39,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:39,463 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 15 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:39,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 100 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:39,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 03:26:39,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 51. [2023-11-29 03:26:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.457142857142857) internal successors, (51), 44 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2023-11-29 03:26:39,473 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 16 [2023-11-29 03:26:39,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:39,473 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2023-11-29 03:26:39,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-29 03:26:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 03:26:39,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:39,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:39,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:26:39,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:39,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:39,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1160371393, now seen corresponding path program 1 times [2023-11-29 03:26:39,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:39,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546152030] [2023-11-29 03:26:39,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:39,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:39,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:39,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546152030] [2023-11-29 03:26:39,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546152030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:39,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:39,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:26:39,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399016129] [2023-11-29 03:26:39,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:39,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:39,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:39,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:39,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:39,593 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:39,664 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2023-11-29 03:26:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:26:39,665 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 03:26:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:39,666 INFO L225 Difference]: With dead ends: 100 [2023-11-29 03:26:39,666 INFO L226 Difference]: Without dead ends: 58 [2023-11-29 03:26:39,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:39,668 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 16 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:39,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 186 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:39,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-29 03:26:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2023-11-29 03:26:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.45) internal successors, (58), 48 states have internal predecessors, (58), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2023-11-29 03:26:39,676 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 16 [2023-11-29 03:26:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:39,676 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-29 03:26:39,676 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2023-11-29 03:26:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 03:26:39,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:39,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:39,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:26:39,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:39,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1160355537, now seen corresponding path program 1 times [2023-11-29 03:26:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:39,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991380698] [2023-11-29 03:26:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:39,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:39,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991380698] [2023-11-29 03:26:39,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991380698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:39,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:39,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:39,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157422049] [2023-11-29 03:26:39,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:39,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:39,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:39,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:39,749 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:39,790 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2023-11-29 03:26:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:39,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-29 03:26:39,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:39,792 INFO L225 Difference]: With dead ends: 72 [2023-11-29 03:26:39,792 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 03:26:39,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:39,793 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 11 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:39,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 139 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:39,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 03:26:39,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2023-11-29 03:26:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 60 states have internal predecessors, (73), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:26:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2023-11-29 03:26:39,803 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 16 [2023-11-29 03:26:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:39,804 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2023-11-29 03:26:39,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-11-29 03:26:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 03:26:39,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:39,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:39,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:26:39,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:39,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1611774735, now seen corresponding path program 1 times [2023-11-29 03:26:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320986469] [2023-11-29 03:26:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:39,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320986469] [2023-11-29 03:26:39,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320986469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:39,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:39,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:26:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69067924] [2023-11-29 03:26:39,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:39,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:39,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:39,892 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:39,933 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2023-11-29 03:26:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:39,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-29 03:26:39,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:39,935 INFO L225 Difference]: With dead ends: 69 [2023-11-29 03:26:39,935 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 03:26:39,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 03:26:39,936 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:39,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:39,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 03:26:39,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 03:26:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 59 states have internal predecessors, (71), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:26:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2023-11-29 03:26:39,945 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 17 [2023-11-29 03:26:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:39,946 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2023-11-29 03:26:39,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2023-11-29 03:26:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:26:39,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:39,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:39,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:26:39,948 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:39,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:39,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1989031449, now seen corresponding path program 1 times [2023-11-29 03:26:39,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:39,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018125285] [2023-11-29 03:26:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:39,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:26:40,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:40,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018125285] [2023-11-29 03:26:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018125285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:40,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:40,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:40,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478749636] [2023-11-29 03:26:40,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:40,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:40,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:40,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:40,006 INFO L87 Difference]: Start difference. First operand 68 states and 83 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:40,038 INFO L93 Difference]: Finished difference Result 89 states and 106 transitions. [2023-11-29 03:26:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:40,038 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-29 03:26:40,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:40,039 INFO L225 Difference]: With dead ends: 89 [2023-11-29 03:26:40,039 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 03:26:40,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:40,041 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:40,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 145 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:40,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 03:26:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 03:26:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 62 states have internal predecessors, (74), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:26:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2023-11-29 03:26:40,049 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 21 [2023-11-29 03:26:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:40,050 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2023-11-29 03:26:40,050 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2023-11-29 03:26:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:26:40,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:40,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:40,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:26:40,052 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:40,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:40,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1989011589, now seen corresponding path program 1 times [2023-11-29 03:26:40,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:40,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838908910] [2023-11-29 03:26:40,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:40,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:40,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:40,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838908910] [2023-11-29 03:26:40,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838908910] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:40,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332032551] [2023-11-29 03:26:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:40,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:40,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:40,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:40,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:26:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:26:40,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:26:40,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:40,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332032551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:40,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:40,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 03:26:40,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216514005] [2023-11-29 03:26:40,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:40,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:40,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:40,249 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:40,294 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2023-11-29 03:26:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:40,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-29 03:26:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:40,296 INFO L225 Difference]: With dead ends: 102 [2023-11-29 03:26:40,296 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 03:26:40,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:40,297 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 10 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:40,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 159 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 03:26:40,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2023-11-29 03:26:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 43 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2023-11-29 03:26:40,304 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 21 [2023-11-29 03:26:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:40,304 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-29 03:26:40,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-29 03:26:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 03:26:40,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:40,305 INFO L195 NwaCegarLoop]: trace histogram [2, 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 03:26:40,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:26:40,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 03:26:40,507 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:40,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:40,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1867197534, now seen corresponding path program 1 times [2023-11-29 03:26:40,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:40,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362442074] [2023-11-29 03:26:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:26:40,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362442074] [2023-11-29 03:26:40,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362442074] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196898251] [2023-11-29 03:26:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:40,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:40,619 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:40,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:26:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:40,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:26:40,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:26:40,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:40,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196898251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:40,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:40,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 03:26:40,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888408147] [2023-11-29 03:26:40,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:40,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:40,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:40,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:40,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:40,748 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:40,777 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2023-11-29 03:26:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:40,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-29 03:26:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:40,778 INFO L225 Difference]: With dead ends: 67 [2023-11-29 03:26:40,779 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 03:26:40,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:40,780 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 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 03:26:40,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 03:26:40,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 03:26:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 39 states have internal predecessors, (44), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-29 03:26:40,785 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 24 [2023-11-29 03:26:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:40,785 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-29 03:26:40,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-29 03:26:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 03:26:40,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:40,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:40,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:26:40,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:26:40,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:40,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1499637467, now seen corresponding path program 1 times [2023-11-29 03:26:40,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:40,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563671259] [2023-11-29 03:26:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:26:41,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:41,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563671259] [2023-11-29 03:26:41,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563671259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:41,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:41,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:26:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380459661] [2023-11-29 03:26:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:41,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:26:41,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:26:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:41,049 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:41,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:41,067 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2023-11-29 03:26:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:26:41,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-29 03:26:41,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:41,069 INFO L225 Difference]: With dead ends: 59 [2023-11-29 03:26:41,069 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 03:26:41,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:26:41,070 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:41,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:41,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 03:26:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 03:26:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 37 states have internal predecessors, (41), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:26:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2023-11-29 03:26:41,075 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 27 [2023-11-29 03:26:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:41,075 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-11-29 03:26:41,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:26:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-29 03:26:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 03:26:41,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:41,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:41,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:26:41,077 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:41,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:41,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1669036950, now seen corresponding path program 1 times [2023-11-29 03:26:41,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:41,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990918818] [2023-11-29 03:26:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:26:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 03:26:41,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:41,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990918818] [2023-11-29 03:26:41,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990918818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:41,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:26:41,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:26:41,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113240520] [2023-11-29 03:26:41,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:41,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:26:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:26:41,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:26:41,160 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:26:41,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:41,193 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2023-11-29 03:26:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:26:41,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2023-11-29 03:26:41,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:41,194 INFO L225 Difference]: With dead ends: 55 [2023-11-29 03:26:41,194 INFO L226 Difference]: Without dead ends: 53 [2023-11-29 03:26:41,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:26:41,195 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:41,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:41,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-29 03:26:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-29 03:26:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 45 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 03:26:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2023-11-29 03:26:41,201 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 34 [2023-11-29 03:26:41,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:41,202 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2023-11-29 03:26:41,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:26:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-29 03:26:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 03:26:41,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:41,203 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2023-11-29 03:26:41,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:26:41,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 03:26:41,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1467795990, now seen corresponding path program 1 times [2023-11-29 03:26:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:26:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174774051] [2023-11-29 03:26:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:26:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:26:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 03:26:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 03:26:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 03:26:41,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:26:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174774051] [2023-11-29 03:26:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174774051] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:26:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823149238] [2023-11-29 03:26:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:41,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:26:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:26:41,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:26:41,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:26:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:41,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:26:41,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 03:26:41,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:26:41,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823149238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:26:41,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:26:41,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 03:26:41,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974336794] [2023-11-29 03:26:41,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:26:41,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:26:41,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:26:41,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:26:41,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:26:41,456 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:26:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:41,494 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2023-11-29 03:26:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:26:41,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2023-11-29 03:26:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:41,495 INFO L225 Difference]: With dead ends: 56 [2023-11-29 03:26:41,495 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:26:41,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:26:41,497 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:41,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:26:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:26:41,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:26:41,498 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 03:26:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:26:41,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-11-29 03:26:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:41,498 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:26:41,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 03:26:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:26:41,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:26:41,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-11-29 03:26:41,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-11-29 03:26:41,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-11-29 03:26:41,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-11-29 03:26:41,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-11-29 03:26:41,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-11-29 03:26:41,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:26:41,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:26:41,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:26:41,787 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 03:26:41,787 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:26:41,787 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 03:26:41,787 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 03:26:41,787 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 03:26:41,787 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 03:26:41,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-11-29 03:26:41,788 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-11-29 03:26:41,788 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2023-11-29 03:26:41,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2023-11-29 03:26:41,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-29 03:26:41,813 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 1 (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|))) [2023-11-29 03:26:41,814 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 03:26:41,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 03:26:41,814 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1590) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point L1557-2(lines 1557 1571) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point L1557-4(line 1557) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L895 garLoopResultBuilder]: At program point L1557-5(lines 1557 1571) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)))) [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point L1557-6(lines 1557 1571) no Hoare annotation was computed. [2023-11-29 03:26:41,815 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1589) no Hoare annotation was computed. [2023-11-29 03:26:41,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-29 03:26:41,816 INFO L899 garLoopResultBuilder]: For program point L1582-3(line 1582) no Hoare annotation was computed. [2023-11-29 03:26:41,816 INFO L899 garLoopResultBuilder]: For program point L1582-4(line 1582) no Hoare annotation was computed. [2023-11-29 03:26:41,816 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:26:41,816 INFO L895 garLoopResultBuilder]: At program point L1582-5(lines 1582 1589) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 2))) (or (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse0 .cse1) (and (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse0 .cse1))) [2023-11-29 03:26:41,816 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2023-11-29 03:26:41,816 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1588) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2023-11-29 03:26:41,817 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 1 (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|))) [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-29 03:26:41,817 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2023-11-29 03:26:41,818 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2023-11-29 03:26:41,819 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (or (< 0 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~i~1#1| 0)) [2023-11-29 03:26:41,819 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2023-11-29 03:26:41,819 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2023-11-29 03:26:41,819 INFO L899 garLoopResultBuilder]: For program point L1578-4(line 1578) no Hoare annotation was computed. [2023-11-29 03:26:41,819 INFO L895 garLoopResultBuilder]: At program point L1578-5(lines 1578 1581) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) [2023-11-29 03:26:41,819 INFO L899 garLoopResultBuilder]: For program point L1578-6(lines 1578 1581) no Hoare annotation was computed. [2023-11-29 03:26:41,819 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-11-29 03:26:41,820 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-29 03:26:41,820 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-29 03:26:41,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2023-11-29 03:26:41,823 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:41,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:26:41,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:26:41 BoogieIcfgContainer [2023-11-29 03:26:41,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:26:41,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:26:41,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:26:41,839 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:26:41,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:26:38" (3/4) ... [2023-11-29 03:26:41,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:26:41,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 03:26:41,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 03:26:41,850 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 03:26:41,851 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 03:26:41,851 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:26:41,851 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:26:41,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:26:41,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:26:41,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:26:41,944 INFO L158 Benchmark]: Toolchain (without parser) took 5381.50ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 146.9MB in the beginning and 184.1MB in the end (delta: -37.1MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,944 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:26:41,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.30ms. Allocated memory is still 188.7MB. Free memory was 146.9MB in the beginning and 83.3MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.03ms. Allocated memory is still 188.7MB. Free memory was 83.3MB in the beginning and 79.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,945 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 188.7MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,946 INFO L158 Benchmark]: RCFGBuilder took 445.97ms. Allocated memory is still 188.7MB. Free memory was 77.7MB in the beginning and 141.8MB in the end (delta: -64.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,946 INFO L158 Benchmark]: TraceAbstraction took 3632.76ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 140.8MB in the beginning and 189.3MB in the end (delta: -48.5MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,947 INFO L158 Benchmark]: Witness Printer took 104.50ms. Allocated memory is still 226.5MB. Free memory was 189.3MB in the beginning and 184.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:26:41,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.30ms. Allocated memory is still 188.7MB. Free memory was 146.9MB in the beginning and 83.3MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.03ms. Allocated memory is still 188.7MB. Free memory was 83.3MB in the beginning and 79.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 188.7MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.97ms. Allocated memory is still 188.7MB. Free memory was 77.7MB in the beginning and 141.8MB in the end (delta: -64.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3632.76ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 140.8MB in the beginning and 189.3MB in the end (delta: -48.5MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Witness Printer took 104.50ms. Allocated memory is still 226.5MB. Free memory was 189.3MB in the beginning and 184.1MB in the end (delta: 5.2MB). 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 1642 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1082 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 560 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=7, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 32 PreInvPairs, 44 NumberOfFragments, 96 HoareAnnotationTreeSize, 32 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 4 NumberOfNonLiveVariables, 614 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 56/60 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 12 specifications checked. All of them hold - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (((1 <= i) && (k == 0)) || ((1 <= i) && (1 <= k))) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: ((((j == 0) && (1 <= h)) && (data == 2)) || (((1 <= j) && (1 <= h)) && (data == 2))) RESULT: Ultimate proved your program to be correct! [2023-11-29 03:26:41,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309e0bb0-5cf8-4f96-b977-80d671f1ea2b/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