./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ --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 f922c0ca82af5c09b4f6926c0c89d61da78cc791a9bcad89fb140c15b0c6c3cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:43:21,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:43:21,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 21:43:21,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:43:21,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:43:21,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:43:21,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:43:21,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:43:21,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:43:21,760 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:43:21,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:43:21,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:43:21,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:43:21,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:43:21,764 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:43:21,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:43:21,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:43:21,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:43:21,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:43:21,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:43:21,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:43:21,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:43:21,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:43:21,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:43:21,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:43:21,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:43:21,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:43:21,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:43:21,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:43:21,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:43:21,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:21,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:43:21,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:43:21,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:43:21,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:43:21,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:43:21,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:43:21,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:43:21,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:43:21,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:43:21,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:43:21,775 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_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f922c0ca82af5c09b4f6926c0c89d61da78cc791a9bcad89fb140c15b0c6c3cb [2023-11-23 21:43:22,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:43:22,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:43:22,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:43:22,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:43:22,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:43:22,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_good.i [2023-11-23 21:43:25,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:43:25,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:43:25,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_good.i [2023-11-23 21:43:25,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/data/165c2de96/8d3efed56e5c4f06b6c7c7a7d8ebf8aa/FLAG12f13761e [2023-11-23 21:43:25,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/data/165c2de96/8d3efed56e5c4f06b6c7c7a7d8ebf8aa [2023-11-23 21:43:26,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:43:26,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:43:26,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:26,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:43:26,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:43:26,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:26" (1/1) ... [2023-11-23 21:43:26,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5445e155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:26, skipping insertion in model container [2023-11-23 21:43:26,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:26" (1/1) ... [2023-11-23 21:43:26,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:43:26,610 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:43:27,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:27,183 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:43:27,207 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:43:27,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:27,589 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:43:27,591 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:43:27,592 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:43:27,592 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:43:27,593 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:43:27,602 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:43:27,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27 WrapperNode [2023-11-23 21:43:27,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:27,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:27,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:43:27,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:43:27,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,697 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2023-11-23 21:43:27,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:27,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:43:27,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:43:27,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:43:27,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,713 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,729 INFO L189 HeapSplitter]: Split 11 memory accesses to 3 slices as follows [1, 5, 5] [2023-11-23 21:43:27,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:43:27,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:43:27,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:43:27,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:43:27,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (1/1) ... [2023-11-23 21:43:27,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:27,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:43:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:43:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:43:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:43:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:43:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:43:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:43:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:43:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:43:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:43:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:43:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:43:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:43:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:43:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:43:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:43:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:43:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:43:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:43:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:43:27,987 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:43:27,990 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:43:28,198 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:43:28,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:43:28,237 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:43:28,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:28 BoogieIcfgContainer [2023-11-23 21:43:28,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:43:28,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:43:28,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:43:28,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:43:28,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:43:26" (1/3) ... [2023-11-23 21:43:28,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e834807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:28, skipping insertion in model container [2023-11-23 21:43:28,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:27" (2/3) ... [2023-11-23 21:43:28,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e834807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:28, skipping insertion in model container [2023-11-23 21:43:28,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:28" (3/3) ... [2023-11-23 21:43:28,248 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_10_good.i [2023-11-23 21:43:28,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:43:28,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-23 21:43:28,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:43:28,414 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;@19d03df9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:43:28,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 21:43:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 49 states have internal predecessors, (60), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:43:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:43:28,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:28,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:28,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:28,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:28,434 INFO L85 PathProgramCache]: Analyzing trace with hash -102339656, now seen corresponding path program 1 times [2023-11-23 21:43:28,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:28,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595040548] [2023-11-23 21:43:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:28,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:29,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:29,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595040548] [2023-11-23 21:43:29,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595040548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:29,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:29,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:43:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250909494] [2023-11-23 21:43:29,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:29,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:43:29,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:29,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:43:29,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:43:29,111 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 49 states have internal predecessors, (60), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 2.5) 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) [2023-11-23 21:43:29,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:29,244 INFO L93 Difference]: Finished difference Result 58 states and 80 transitions. [2023-11-23 21:43:29,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:43:29,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) 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 [2023-11-23 21:43:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:29,257 INFO L225 Difference]: With dead ends: 58 [2023-11-23 21:43:29,257 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 21:43:29,260 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 [2023-11-23 21:43:29,264 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:29,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 257 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:43:29,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 21:43:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-23 21:43:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 44 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-11-23 21:43:29,312 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 69 transitions. Word has length 12 [2023-11-23 21:43:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:29,314 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-23 21:43:29,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) 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) [2023-11-23 21:43:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-23 21:43:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 21:43:29,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:29,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:29,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:43:29,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:29,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1122438026, now seen corresponding path program 1 times [2023-11-23 21:43:29,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:29,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472256674] [2023-11-23 21:43:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:29,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:29,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472256674] [2023-11-23 21:43:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472256674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:29,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:29,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:43:29,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813777808] [2023-11-23 21:43:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:29,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:43:29,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:29,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:43:29,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:43:29,473 INFO L87 Difference]: Start difference. First operand 51 states and 69 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-23 21:43:29,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:29,563 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2023-11-23 21:43:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:43:29,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 13 [2023-11-23 21:43:29,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:29,566 INFO L225 Difference]: With dead ends: 52 [2023-11-23 21:43:29,566 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 21:43:29,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:43:29,569 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 5 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:29,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 219 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:43:29,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 21:43:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2023-11-23 21:43:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 43 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2023-11-23 21:43:29,582 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 13 [2023-11-23 21:43:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:29,583 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2023-11-23 21:43:29,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-23 21:43:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-11-23 21:43:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:43:29,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:29,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:29,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:43:29,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:29,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2107356040, now seen corresponding path program 1 times [2023-11-23 21:43:29,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:29,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071775292] [2023-11-23 21:43:29,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:29,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071775292] [2023-11-23 21:43:29,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071775292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:29,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:29,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:43:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149439644] [2023-11-23 21:43:29,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:29,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:43:29,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:43:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:43:29,858 INFO L87 Difference]: Start difference. First operand 50 states and 68 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) [2023-11-23 21:43:29,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:29,936 INFO L93 Difference]: Finished difference Result 50 states and 68 transitions. [2023-11-23 21:43:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:43:29,937 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 [2023-11-23 21:43:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:29,943 INFO L225 Difference]: With dead ends: 50 [2023-11-23 21:43:29,944 INFO L226 Difference]: Without dead ends: 49 [2023-11-23 21:43:29,946 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 [2023-11-23 21:43:29,949 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:29,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 220 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:43:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-23 21:43:29,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-23 21:43:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.5) internal successors, (51), 42 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2023-11-23 21:43:29,971 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 16 [2023-11-23 21:43:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:29,973 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2023-11-23 21:43:29,974 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) [2023-11-23 21:43:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2023-11-23 21:43:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:43:29,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:29,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:29,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:43:29,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:29,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash -903527703, now seen corresponding path program 1 times [2023-11-23 21:43:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713789690] [2023-11-23 21:43:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:30,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713789690] [2023-11-23 21:43:30,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713789690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:43:30,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210361083] [2023-11-23 21:43:30,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:43:30,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:43:30,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:43:30,163 INFO L87 Difference]: Start difference. First operand 49 states and 67 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) [2023-11-23 21:43:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,238 INFO L93 Difference]: Finished difference Result 50 states and 68 transitions. [2023-11-23 21:43:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:43:30,240 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 [2023-11-23 21:43:30,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,245 INFO L225 Difference]: With dead ends: 50 [2023-11-23 21:43:30,245 INFO L226 Difference]: Without dead ends: 49 [2023-11-23 21:43:30,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:43:30,260 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 5 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 214 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-23 21:43:30,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2023-11-23 21:43:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 41 states have internal predecessors, (50), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 66 transitions. [2023-11-23 21:43:30,270 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 66 transitions. Word has length 17 [2023-11-23 21:43:30,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,271 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 66 transitions. [2023-11-23 21:43:30,271 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) [2023-11-23 21:43:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-11-23 21:43:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:43:30,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:30,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:43:30,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1539677903, now seen corresponding path program 1 times [2023-11-23 21:43:30,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940064518] [2023-11-23 21:43:30,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:30,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940064518] [2023-11-23 21:43:30,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940064518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:43:30,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45913949] [2023-11-23 21:43:30,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:30,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:30,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,357 INFO L87 Difference]: Start difference. First operand 48 states and 66 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-23 21:43:30,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,394 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2023-11-23 21:43:30,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:30,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2023-11-23 21:43:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,400 INFO L225 Difference]: With dead ends: 92 [2023-11-23 21:43:30,400 INFO L226 Difference]: Without dead ends: 48 [2023-11-23 21:43:30,401 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 [2023-11-23 21:43:30,405 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 51 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-23 21:43:30,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-23 21:43:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2023-11-23 21:43:30,431 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 18 [2023-11-23 21:43:30,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,431 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2023-11-23 21:43:30,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-23 21:43:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-23 21:43:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:43:30,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:30,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:43:30,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -181455643, now seen corresponding path program 1 times [2023-11-23 21:43:30,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503912919] [2023-11-23 21:43:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503912919] [2023-11-23 21:43:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503912919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424226701] [2023-11-23 21:43:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:30,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,546 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2023-11-23 21:43:30,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,577 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2023-11-23 21:43:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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 19 [2023-11-23 21:43:30,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,580 INFO L225 Difference]: With dead ends: 48 [2023-11-23 21:43:30,581 INFO L226 Difference]: Without dead ends: 47 [2023-11-23 21:43:30,581 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 [2023-11-23 21:43:30,582 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-23 21:43:30,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-23 21:43:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 40 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2023-11-23 21:43:30,607 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 19 [2023-11-23 21:43:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,607 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-23 21:43:30,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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) [2023-11-23 21:43:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-23 21:43:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:43:30,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:30,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:43:30,614 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1330157508, now seen corresponding path program 1 times [2023-11-23 21:43:30,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215562510] [2023-11-23 21:43:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:30,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215562510] [2023-11-23 21:43:30,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215562510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:30,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319793320] [2023-11-23 21:43:30,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:30,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:30,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,721 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:43:30,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,758 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2023-11-23 21:43:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:30,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2023-11-23 21:43:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,761 INFO L225 Difference]: With dead ends: 63 [2023-11-23 21:43:30,761 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 21:43:30,761 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 [2023-11-23 21:43:30,762 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 102 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 21:43:30,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2023-11-23 21:43:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.263157894736842) internal successors, (48), 43 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:43:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2023-11-23 21:43:30,779 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 20 [2023-11-23 21:43:30,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,780 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-23 21:43:30,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:43:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-23 21:43:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:43:30,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:30,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 21:43:30,784 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash -205424002, now seen corresponding path program 1 times [2023-11-23 21:43:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514124849] [2023-11-23 21:43:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 21:43:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:43:30,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514124849] [2023-11-23 21:43:30,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514124849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:43:30,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148413558] [2023-11-23 21:43:30,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:30,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,857 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:43:30,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,873 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2023-11-23 21:43:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:30,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 25 [2023-11-23 21:43:30,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,874 INFO L225 Difference]: With dead ends: 83 [2023-11-23 21:43:30,874 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:43:30,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,876 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 46 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:43:30,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:43:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 37 states have internal predecessors, (40), 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) [2023-11-23 21:43:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2023-11-23 21:43:30,882 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 25 [2023-11-23 21:43:30,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,882 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2023-11-23 21:43:30,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:43:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-23 21:43:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:43:30,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,884 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] [2023-11-23 21:43:30,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:43:30,884 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1098232423, now seen corresponding path program 1 times [2023-11-23 21:43:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521638232] [2023-11-23 21:43:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:43:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:30,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:30,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521638232] [2023-11-23 21:43:30,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521638232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:30,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697013509] [2023-11-23 21:43:30,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:30,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:30,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:30,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,955 INFO L87 Difference]: Start difference. First operand 44 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:43:30,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,972 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2023-11-23 21:43:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:30,973 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-23 21:43:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,974 INFO L225 Difference]: With dead ends: 44 [2023-11-23 21:43:30,974 INFO L226 Difference]: Without dead ends: 43 [2023-11-23 21:43:30,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:30,975 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 85 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-23 21:43:30,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-23 21:43:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 36 states have internal predecessors, (39), 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) [2023-11-23 21:43:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2023-11-23 21:43:30,981 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 29 [2023-11-23 21:43:30,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,982 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2023-11-23 21:43:30,982 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:43:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-23 21:43:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:43:30,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,983 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] [2023-11-23 21:43:30,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 21:43:30,984 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:43:30,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash -314533101, now seen corresponding path program 1 times [2023-11-23 21:43:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:30,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488449219] [2023-11-23 21:43:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:43:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:43:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:43:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488449219] [2023-11-23 21:43:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488449219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:31,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:31,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321808370] [2023-11-23 21:43:31,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:31,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:43:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:43:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:31,054 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:43:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:31,070 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2023-11-23 21:43:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:43:31,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-23 21:43:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:31,071 INFO L225 Difference]: With dead ends: 43 [2023-11-23 21:43:31,071 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:43:31,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:43:31,072 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:31,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:31,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:43:31,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:43:31,074 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) [2023-11-23 21:43:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:43:31,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-23 21:43:31,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:31,074 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:43:31,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:43:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:43:31,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:43:31,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-23 21:43:31,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-23 21:43:31,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-23 21:43:31,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-23 21:43:31,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-23 21:43:31,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-23 21:43:31,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-23 21:43:31,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-23 21:43:31,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 21:43:31,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:43:31,151 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 21:43:31,151 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:43:31,151 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-23 21:43:31,151 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:43:31,151 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 21:43:31,151 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 21:43:31,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-23 21:43:31,152 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-23 21:43:31,152 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-23 21:43:31,152 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1583) no Hoare annotation was computed. [2023-11-23 21:43:31,152 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-11-23 21:43:31,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-23 21:43:31,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-23 21:43:31,153 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-23 21:43:31,153 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2023-11-23 21:43:31,153 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-23 21:43:31,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-23 21:43:31,154 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2023-11-23 21:43:31,154 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-23 21:43:31,154 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-23 21:43:31,154 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (and (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0)) [2023-11-23 21:43:31,154 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-23 21:43:31,155 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:43:31,155 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-23 21:43:31,155 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-23 21:43:31,155 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (and (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0) (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0)) [2023-11-23 21:43:31,155 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-23 21:43:31,155 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-23 21:43:31,156 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0) (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0)) [2023-11-23 21:43:31,157 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-23 21:43:31,157 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1628) no Hoare annotation was computed. [2023-11-23 21:43:31,157 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-11-23 21:43:31,157 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-23 21:43:31,157 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-23 21:43:31,157 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-23 21:43:31,158 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1598) no Hoare annotation was computed. [2023-11-23 21:43:31,158 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-23 21:43:31,158 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-23 21:43:31,158 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-23 21:43:31,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-23 21:43:31,158 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2023-11-23 21:43:31,159 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-11-23 21:43:31,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:43:31,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-23 21:43:31,159 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2023-11-23 21:43:31,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-23 21:43:31,160 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (and (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0) (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0)) [2023-11-23 21:43:31,160 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-23 21:43:31,160 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1574) no Hoare annotation was computed. [2023-11-23 21:43:31,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-23 21:43:31,160 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-11-23 21:43:31,160 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0) (not (= ~globalTrue~0 0)) (= ~globalFalse~0 0)) [2023-11-23 21:43:31,161 INFO L899 garLoopResultBuilder]: For program point L1604-1(lines 1601 1620) no Hoare annotation was computed. [2023-11-23 21:43:31,164 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:31,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:43:31,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:43:31 BoogieIcfgContainer [2023-11-23 21:43:31,171 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:43:31,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:43:31,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:43:31,171 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:43:31,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:28" (3/4) ... [2023-11-23 21:43:31,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:43:31,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 21:43:31,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 21:43:31,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 21:43:31,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 21:43:31,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:43:31,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:43:31,278 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:43:31,278 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:43:31,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:43:31,279 INFO L158 Benchmark]: Toolchain (without parser) took 5270.71ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 77.6MB in the beginning and 57.2MB in the end (delta: 20.4MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,280 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:43:31,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.52ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 77.6MB in the beginning and 100.3MB in the end (delta: -22.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.73ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 97.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,281 INFO L158 Benchmark]: Boogie Preprocessor took 52.09ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 94.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,281 INFO L158 Benchmark]: RCFGBuilder took 487.05ms. Allocated memory is still 165.7MB. Free memory was 94.5MB in the beginning and 75.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,282 INFO L158 Benchmark]: TraceAbstraction took 2929.97ms. Allocated memory is still 165.7MB. Free memory was 75.6MB in the beginning and 63.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,282 INFO L158 Benchmark]: Witness Printer took 107.62ms. Allocated memory is still 165.7MB. Free memory was 63.5MB in the beginning and 57.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:43:31,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.52ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 77.6MB in the beginning and 100.3MB in the end (delta: -22.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.73ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 97.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.09ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 94.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.05ms. Allocated memory is still 165.7MB. Free memory was 94.5MB in the beginning and 75.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2929.97ms. Allocated memory is still 165.7MB. Free memory was 75.6MB in the beginning and 63.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 107.62ms. Allocated memory is still 165.7MB. Free memory was 63.5MB in the beginning and 57.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 1374 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 847 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 527 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 30 PreInvPairs, 35 NumberOfFragments, 95 HoareAnnotationTreeSize, 30 FomulaSimplifications, 5 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:43:31,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488b3c83-dddc-4c48-85c1-d79a071cfaa3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE