./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1 --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 b4c7b235d57a51fa35abc840fdc7b27a3d66d3118df51604c5c1d022630f70cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:37:26,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:37:26,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 14:37:26,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:37:26,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:37:26,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:37:26,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:37:26,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:37:26,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:37:26,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:37:26,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:37:26,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:37:26,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:37:26,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:37:26,669 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:37:26,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:37:26,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:37:26,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:37:26,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:37:26,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:37:26,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:37:26,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:37:26,673 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1 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 -> b4c7b235d57a51fa35abc840fdc7b27a3d66d3118df51604c5c1d022630f70cd [2024-12-02 14:37:26,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:37:26,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:37:26,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:37:26,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:37:26,889 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:37:26,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i [2024-12-02 14:37:29,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/data/cee4a7590/0f2befa5239d4daa8a50e0ef11e9e20b/FLAGc08c739a9 [2024-12-02 14:37:29,874 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:37:29,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i [2024-12-02 14:37:29,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/data/cee4a7590/0f2befa5239d4daa8a50e0ef11e9e20b/FLAGc08c739a9 [2024-12-02 14:37:29,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/data/cee4a7590/0f2befa5239d4daa8a50e0ef11e9e20b [2024-12-02 14:37:29,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:37:29,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:37:29,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:37:29,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:37:29,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:37:29,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:37:29" (1/1) ... [2024-12-02 14:37:29,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca20279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:29, skipping insertion in model container [2024-12-02 14:37:29,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:37:29" (1/1) ... [2024-12-02 14:37:29,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:37:30,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:37:30,575 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:37:30,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:37:30,756 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:37:30,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30 WrapperNode [2024-12-02 14:37:30,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:37:30,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:37:30,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:37:30,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:37:30,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,791 INFO L138 Inliner]: procedures = 502, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2024-12-02 14:37:30,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:37:30,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:37:30,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:37:30,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:37:30,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,810 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 14:37:30,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:37:30,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:37:30,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:37:30,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:37:30,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (1/1) ... [2024-12-02 14:37:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:37:30,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:30,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:37:30,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:37:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 14:37:30,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 14:37:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 14:37:30,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 14:37:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:37:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-12-02 14:37:30,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-12-02 14:37:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:37:30,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:37:30,984 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:37:30,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:37:31,101 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-02 14:37:31,101 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:37:31,110 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:37:31,110 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:37:31,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:31 BoogieIcfgContainer [2024-12-02 14:37:31,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:37:31,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:37:31,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:37:31,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:37:31,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:37:29" (1/3) ... [2024-12-02 14:37:31,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753e56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:37:31, skipping insertion in model container [2024-12-02 14:37:31,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:37:30" (2/3) ... [2024-12-02 14:37:31,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753e56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:37:31, skipping insertion in model container [2024-12-02 14:37:31,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:31" (3/3) ... [2024-12-02 14:37:31,118 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i [2024-12-02 14:37:31,129 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:37:31,130 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_44_good.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-12-02 14:37:31,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:37:31,180 INFO L333 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, 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;@5f7d4ae3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:37:31,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 14:37:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 31 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 14:37:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 14:37:31,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:31,188 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:31,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:31,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:31,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1639084383, now seen corresponding path program 1 times [2024-12-02 14:37:31,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:31,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356083725] [2024-12-02 14:37:31,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:31,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:31,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:31,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356083725] [2024-12-02 14:37:31,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356083725] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:31,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:31,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:37:31,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698961216] [2024-12-02 14:37:31,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:31,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:37:31,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:31,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:37:31,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:37:31,491 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 31 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:37:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:31,570 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2024-12-02 14:37:31,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:37:31,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-12-02 14:37:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:31,576 INFO L225 Difference]: With dead ends: 61 [2024-12-02 14:37:31,576 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 14:37:31,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:37:31,580 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:31,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 202 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:37:31,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 14:37:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-12-02 14:37:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 32 states have internal predecessors, (36), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:37:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-12-02 14:37:31,610 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 12 [2024-12-02 14:37:31,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:31,611 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-12-02 14:37:31,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:37:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-12-02 14:37:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 14:37:31,613 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:31,613 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:31,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:37:31,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:31,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:31,614 INFO L85 PathProgramCache]: Analyzing trace with hash 727975904, now seen corresponding path program 1 times [2024-12-02 14:37:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:31,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621317507] [2024-12-02 14:37:31,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:31,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:31,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621317507] [2024-12-02 14:37:31,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621317507] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:31,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:31,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:37:31,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183215020] [2024-12-02 14:37:31,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:31,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:37:31,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:31,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:37:31,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:37:31,734 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:37:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:31,811 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2024-12-02 14:37:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:37:31,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-12-02 14:37:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:31,812 INFO L225 Difference]: With dead ends: 61 [2024-12-02 14:37:31,812 INFO L226 Difference]: Without dead ends: 40 [2024-12-02 14:37:31,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:37:31,813 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:31,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 134 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:37:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-12-02 14:37:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-12-02 14:37:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:37:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2024-12-02 14:37:31,819 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 13 [2024-12-02 14:37:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:31,819 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2024-12-02 14:37:31,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:37:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2024-12-02 14:37:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 14:37:31,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:31,820 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:31,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:37:31,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:31,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:31,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1245817977, now seen corresponding path program 1 times [2024-12-02 14:37:31,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:31,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590955469] [2024-12-02 14:37:31,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:31,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:31,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590955469] [2024-12-02 14:37:31,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590955469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:31,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:31,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:37:31,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134721807] [2024-12-02 14:37:31,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:31,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:37:31,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:31,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:37:31,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:37:31,938 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 6 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:31,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:31,989 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-12-02 14:37:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:37:31,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-12-02 14:37:31,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:31,991 INFO L225 Difference]: With dead ends: 40 [2024-12-02 14:37:31,991 INFO L226 Difference]: Without dead ends: 39 [2024-12-02 14:37:31,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:37:31,992 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:31,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 165 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:37:31,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-12-02 14:37:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-12-02 14:37:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:37:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-12-02 14:37:31,998 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 26 [2024-12-02 14:37:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:31,998 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-12-02 14:37:31,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-12-02 14:37:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 14:37:31,999 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:31,999 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:31,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:37:31,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:32,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash -34364152, now seen corresponding path program 1 times [2024-12-02 14:37:32,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:32,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846352339] [2024-12-02 14:37:32,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:32,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:32,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846352339] [2024-12-02 14:37:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846352339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:32,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:32,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:37:32,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621830494] [2024-12-02 14:37:32,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:32,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:37:32,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:32,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:37:32,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:37:32,098 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:32,141 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2024-12-02 14:37:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:37:32,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-12-02 14:37:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:32,143 INFO L225 Difference]: With dead ends: 39 [2024-12-02 14:37:32,143 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 14:37:32,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:37:32,144 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 9 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:32,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 156 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:37:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 14:37:32,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 14:37:32,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:37:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2024-12-02 14:37:32,148 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 27 [2024-12-02 14:37:32,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:32,148 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2024-12-02 14:37:32,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-12-02 14:37:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 14:37:32,149 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:32,149 INFO L218 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, 1, 1] [2024-12-02 14:37:32,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:37:32,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:32,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:32,149 INFO L85 PathProgramCache]: Analyzing trace with hash -34348296, now seen corresponding path program 1 times [2024-12-02 14:37:32,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:32,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214765400] [2024-12-02 14:37:32,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:32,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:32,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:32,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214765400] [2024-12-02 14:37:32,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214765400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:32,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:32,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:37:32,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711592079] [2024-12-02 14:37:32,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:32,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:37:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:32,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:37:32,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:37:32,251 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:32,276 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-12-02 14:37:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:37:32,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-12-02 14:37:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:32,278 INFO L225 Difference]: With dead ends: 40 [2024-12-02 14:37:32,278 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 14:37:32,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:37:32,279 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 7 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 80 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 [2024-12-02 14:37:32,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:37:32,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 14:37:32,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2024-12-02 14:37:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:37:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2024-12-02 14:37:32,285 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 27 [2024-12-02 14:37:32,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:32,286 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2024-12-02 14:37:32,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-12-02 14:37:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 14:37:32,287 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:32,287 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:32,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:37:32,287 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-12-02 14:37:32,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1065288644, now seen corresponding path program 1 times [2024-12-02 14:37:32,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:32,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046206333] [2024-12-02 14:37:32,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 14:37:32,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:32,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046206333] [2024-12-02 14:37:32,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046206333] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:32,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:32,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:37:32,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564362084] [2024-12-02 14:37:32,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:32,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:32,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:32,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:32,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:37:32,320 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:32,333 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2024-12-02 14:37:32,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:32,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-12-02 14:37:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:32,334 INFO L225 Difference]: With dead ends: 35 [2024-12-02 14:37:32,334 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:37:32,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:37:32,335 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:32,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:37:32,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:37:32,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:37:32,336 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) [2024-12-02 14:37:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:37:32,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-12-02 14:37:32,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:32,336 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:37:32,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:37:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:37:32,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:37:32,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-12-02 14:37:32,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-12-02 14:37:32,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-12-02 14:37:32,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-12-02 14:37:32,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:37:32,342 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 14:37:32,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:37:32,439 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:37:32,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:37:32 BoogieIcfgContainer [2024-12-02 14:37:32,444 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:37:32,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:37:32,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:37:32,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:37:32,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:37:31" (3/4) ... [2024-12-02 14:37:32,447 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:37:32,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 14:37:32,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 14:37:32,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-12-02 14:37:32,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-02 14:37:32,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-02 14:37:32,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:37:32,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:37:32,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:37:32,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:37:32,523 INFO L158 Benchmark]: Toolchain (without parser) took 2611.19ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 107.2MB in the end (delta: 9.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-12-02 14:37:32,523 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:37:32,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.68ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 106.8MB in the end (delta: 9.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-02 14:37:32,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.14ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:37:32,524 INFO L158 Benchmark]: Boogie Preprocessor took 29.52ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 102.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:37:32,524 INFO L158 Benchmark]: RCFGBuilder took 288.39ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 89.7MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:37:32,524 INFO L158 Benchmark]: TraceAbstraction took 1330.95ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 111.4MB in the end (delta: -22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-12-02 14:37:32,525 INFO L158 Benchmark]: Witness Printer took 77.72ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:37:32,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.68ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 106.8MB in the end (delta: 9.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.14ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.52ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 102.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.39ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 89.7MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1330.95ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 111.4MB in the end (delta: -22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Witness Printer took 77.72ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). There was no memory consumed. 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 794 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 591 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 203 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 11/11 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:37:32,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf57bb43-9430-4b96-9902-f7011fb074d4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE