./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/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_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/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_c797d77b-0d51-4b8e-9a0e-05015eaec74a/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 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:44:36,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:44:37,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 21:44:37,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:44:37,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:44:37,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:44:37,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:44:37,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:44:37,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:44:37,141 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:44:37,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:44:37,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:44:37,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:44:37,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:44:37,146 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:44:37,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:44:37,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:44:37,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:44:37,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:44:37,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:44:37,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:44:37,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:44:37,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:44:37,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:44:37,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:44:37,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:44:37,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:44:37,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:44:37,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:44:37,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:44:37,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:44:37,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:44:37,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:44:37,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:44:37,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:44:37,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:44:37,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:44:37,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:44:37,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:44:37,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:44:37,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:44:37,167 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_c797d77b-0d51-4b8e-9a0e-05015eaec74a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 [2023-11-23 21:44:37,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:44:37,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:44:37,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:44:37,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:44:37,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:44:37,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2023-11-23 21:44:40,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:44:40,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:44:40,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2023-11-23 21:44:41,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/data/43587892a/b931f3a7d078403f933fe044c6f1d683/FLAG92fe765d1 [2023-11-23 21:44:41,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/data/43587892a/b931f3a7d078403f933fe044c6f1d683 [2023-11-23 21:44:41,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:44:41,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:44:41,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:44:41,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:44:41,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:44:41,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:44:41" (1/1) ... [2023-11-23 21:44:41,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57855434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:41, skipping insertion in model container [2023-11-23 21:44:41,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:44:41" (1/1) ... [2023-11-23 21:44:41,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:44:41,803 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:44:42,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:44:42,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:44:42,496 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:44:42,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:44:42,817 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,817 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,817 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,818 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,818 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,818 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,818 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:44:42,881 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:44:42,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42 WrapperNode [2023-11-23 21:44:42,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:44:42,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:44:42,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:44:42,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:44:42,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:42,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:42,965 INFO L138 Inliner]: procedures = 505, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 73 [2023-11-23 21:44:42,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:44:42,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:44:42,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:44:42,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:44:42,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:42,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:42,982 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,004 INFO L189 HeapSplitter]: Split 3 memory accesses to 3 slices as follows [1, 1, 1] [2023-11-23 21:44:43,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:44:43,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:44:43,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:44:43,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:44:43,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (1/1) ... [2023-11-23 21:44:43,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:44:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:44:43,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:44:43,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:44:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:44:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:44:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 21:44:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:44:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:44:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:44:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:44:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:44:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:44:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:44:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:44:43,325 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:44:43,327 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:44:43,487 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:44:43,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:44:43,540 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:44:43,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:44:43 BoogieIcfgContainer [2023-11-23 21:44:43,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:44:43,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:44:43,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:44:43,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:44:43,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:44:41" (1/3) ... [2023-11-23 21:44:43,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60066363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:44:43, skipping insertion in model container [2023-11-23 21:44:43,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:42" (2/3) ... [2023-11-23 21:44:43,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60066363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:44:43, skipping insertion in model container [2023-11-23 21:44:43,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:44:43" (3/3) ... [2023-11-23 21:44:43,556 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_65_good.i [2023-11-23 21:44:43,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:44:43,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 21:44:43,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:44:43,639 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;@482a7f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:44:43,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-23 21:44:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 28 states have internal predecessors, (30), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:44:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:44:43,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:43,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:43,653 INFO L420 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)] === [2023-11-23 21:44:43,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:43,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1883717438, now seen corresponding path program 1 times [2023-11-23 21:44:43,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:43,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743802276] [2023-11-23 21:44:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:43,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:44,199 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 21:44:44,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:44,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743802276] [2023-11-23 21:44:44,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743802276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:44,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:44,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:44:44,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278253570] [2023-11-23 21:44:44,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:44,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:44:44,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:44,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:44:44,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:44:44,261 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 28 states have internal predecessors, (30), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-23 21:44:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:44,414 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2023-11-23 21:44:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:44:44,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 11 [2023-11-23 21:44:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:44,424 INFO L225 Difference]: With dead ends: 57 [2023-11-23 21:44:44,424 INFO L226 Difference]: Without dead ends: 43 [2023-11-23 21:44:44,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:44:44,432 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 31 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:44,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 175 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:44:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-23 21:44:44,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2023-11-23 21:44:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:44:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2023-11-23 21:44:44,490 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 11 [2023-11-23 21:44:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:44,491 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2023-11-23 21:44:44,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-23 21:44:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-23 21:44:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:44:44,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:44,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:44,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:44:44,494 INFO L420 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)] === [2023-11-23 21:44:44,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:44,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1734285799, now seen corresponding path program 1 times [2023-11-23 21:44:44,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:44,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186691216] [2023-11-23 21:44:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:44,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:44,649 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 21:44:44,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186691216] [2023-11-23 21:44:44,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186691216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:44,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:44:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219178714] [2023-11-23 21:44:44,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:44,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:44:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:44,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:44:44,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:44:44,655 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. 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) [2023-11-23 21:44:44,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:44,736 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2023-11-23 21:44:44,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:44:44,737 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 [2023-11-23 21:44:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:44,739 INFO L225 Difference]: With dead ends: 64 [2023-11-23 21:44:44,739 INFO L226 Difference]: Without dead ends: 40 [2023-11-23 21:44:44,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:44:44,742 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:44,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 125 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:44:44,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-23 21:44:44,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 21:44:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 31 states have internal predecessors, (33), 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) [2023-11-23 21:44:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2023-11-23 21:44:44,760 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 12 [2023-11-23 21:44:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:44,761 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2023-11-23 21:44:44,762 INFO L496 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) [2023-11-23 21:44:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-23 21:44:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:44:44,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:44,764 INFO L195 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] [2023-11-23 21:44:44,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:44:44,766 INFO L420 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)] === [2023-11-23 21:44:44,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash 718331887, now seen corresponding path program 1 times [2023-11-23 21:44:44,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748013888] [2023-11-23 21:44:44,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:44,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:44:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:45,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:45,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748013888] [2023-11-23 21:44:45,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748013888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:45,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:45,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:44:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860179814] [2023-11-23 21:44:45,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:45,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:44:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:44:45,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:44:45,020 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-23 21:44:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:45,079 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-11-23 21:44:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:44:45,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 25 [2023-11-23 21:44:45,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:45,081 INFO L225 Difference]: With dead ends: 40 [2023-11-23 21:44:45,081 INFO L226 Difference]: Without dead ends: 39 [2023-11-23 21:44:45,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:44:45,083 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:45,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 153 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:44:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-23 21:44:45,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-23 21:44:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 30 states have internal predecessors, (32), 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) [2023-11-23 21:44:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2023-11-23 21:44:45,113 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 25 [2023-11-23 21:44:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:45,113 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2023-11-23 21:44:45,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-23 21:44:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-11-23 21:44:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:44:45,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:45,116 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:45,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:44:45,116 INFO L420 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)] === [2023-11-23 21:44:45,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 793436250, now seen corresponding path program 1 times [2023-11-23 21:44:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:45,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468519814] [2023-11-23 21:44:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:44:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:45,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468519814] [2023-11-23 21:44:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468519814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:45,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:45,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:44:45,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326104778] [2023-11-23 21:44:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:45,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:44:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:45,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:44:45,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:44:45,343 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 6 states, 5 states have (on average 3.8) 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) [2023-11-23 21:44:45,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:45,423 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2023-11-23 21:44:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:44:45,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) 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 [2023-11-23 21:44:45,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:45,427 INFO L225 Difference]: With dead ends: 39 [2023-11-23 21:44:45,427 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:44:45,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:44:45,438 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:45,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:44:45,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:44:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:44:45,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 29 states have internal predecessors, (31), 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) [2023-11-23 21:44:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2023-11-23 21:44:45,446 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 26 [2023-11-23 21:44:45,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:45,446 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-23 21:44:45,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) 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) [2023-11-23 21:44:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-23 21:44:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:44:45,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:45,453 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, 1] [2023-11-23 21:44:45,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:44:45,455 INFO L420 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)] === [2023-11-23 21:44:45,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash 793452106, now seen corresponding path program 1 times [2023-11-23 21:44:45,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:45,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448196890] [2023-11-23 21:44:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:44:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:45,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:45,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448196890] [2023-11-23 21:44:45,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448196890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:45,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:45,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:44:45,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635739367] [2023-11-23 21:44:45,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:45,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:44:45,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:45,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:44:45,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:44:45,653 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-23 21:44:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:45,697 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-11-23 21:44:45,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:44:45,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 [2023-11-23 21:44:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:45,703 INFO L225 Difference]: With dead ends: 40 [2023-11-23 21:44:45,703 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 21:44:45,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:44:45,711 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:45,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 76 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:44:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 21:44:45,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2023-11-23 21:44:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 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) [2023-11-23 21:44:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2023-11-23 21:44:45,728 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 26 [2023-11-23 21:44:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:45,733 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2023-11-23 21:44:45,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-23 21:44:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-23 21:44:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 21:44:45,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:45,735 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:45,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:44:45,736 INFO L420 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)] === [2023-11-23 21:44:45,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1173279950, now seen corresponding path program 1 times [2023-11-23 21:44:45,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:45,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537116167] [2023-11-23 21:44:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:45,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:44:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:44:45,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:45,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537116167] [2023-11-23 21:44:45,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537116167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:45,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:45,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:44:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263754017] [2023-11-23 21:44:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:44:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:44:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:45,817 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-23 21:44:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:45,842 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2023-11-23 21:44:45,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:44:45,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 27 [2023-11-23 21:44:45,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:45,843 INFO L225 Difference]: With dead ends: 35 [2023-11-23 21:44:45,843 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:44:45,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 21:44:45,846 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:45,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:44:45,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:44:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:44:45,849 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 21:44:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:44:45,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-11-23 21:44:45,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:45,849 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:44:45,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-23 21:44:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:44:45,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:44:45,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-23 21:44:45,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-23 21:44:45,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-23 21:44:45,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-23 21:44:45,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:44:45,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:44:45,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 21:44:45,926 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:44:45,926 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-23 21:44:45,926 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:44:45,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 21:44:45,927 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 21:44:45,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:44:45,927 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1572) no Hoare annotation was computed. [2023-11-23 21:44:45,927 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2023-11-23 21:44:45,927 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2023-11-23 21:44:45,928 INFO L902 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: true [2023-11-23 21:44:45,928 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-23 21:44:45,928 INFO L902 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: true [2023-11-23 21:44:45,928 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2023-11-23 21:44:45,928 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:44:45,928 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and (= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset|)) [2023-11-23 21:44:45,929 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1558 1575) no Hoare annotation was computed. [2023-11-23 21:44:45,929 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset|)) [2023-11-23 21:44:45,929 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1565 1572) no Hoare annotation was computed. [2023-11-23 21:44:45,929 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2023-11-23 21:44:45,929 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-23 21:44:45,930 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1606) no Hoare annotation was computed. [2023-11-23 21:44:45,930 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2023-11-23 21:44:45,930 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-23 21:44:45,930 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2023-11-23 21:44:45,930 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-23 21:44:45,931 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:44:45,931 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:44:45,931 INFO L895 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~101#1|)) [2023-11-23 21:44:45,931 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 1596 1607) no Hoare annotation was computed. [2023-11-23 21:44:45,931 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~101#1|)) (and (= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|) (= 2 |##fun~int~TO~VOID_#~101#1|) (= |#funAddr~CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_add_65b_goodB2GSink_~data#1|))) [2023-11-23 21:44:45,932 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-23 21:44:45,932 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-23 21:44:45,932 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2023-11-23 21:44:45,932 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~101#1|)) (and (= 2 |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_fgets_add_65b_goodG2BSink_~data#1|) (= 2 |##fun~int~TO~VOID_#~101#1|))) [2023-11-23 21:44:45,932 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-23 21:44:45,933 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2023-11-23 21:44:45,933 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-23 21:44:45,936 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 21:44:45,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:44:45,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:44:45 BoogieIcfgContainer [2023-11-23 21:44:45,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:44:45,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:44:45,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:44:45,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:44:45,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:44:43" (3/4) ... [2023-11-23 21:44:45,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:44:45,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 21:44:45,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 21:44:45,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-23 21:44:45,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-23 21:44:45,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:44:45,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:44:45,961 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:44:46,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:44:46,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:44:46,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:44:46,062 INFO L158 Benchmark]: Toolchain (without parser) took 4890.23ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 111.9MB in the beginning and 125.4MB in the end (delta: -13.5MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,062 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:44:46,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1713.45ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 111.5MB in the beginning and 209.0MB in the end (delta: -97.5MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.81ms. Allocated memory is still 243.3MB. Free memory was 209.0MB in the beginning and 206.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,064 INFO L158 Benchmark]: Boogie Preprocessor took 71.58ms. Allocated memory is still 243.3MB. Free memory was 206.1MB in the beginning and 204.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,064 INFO L158 Benchmark]: RCFGBuilder took 502.07ms. Allocated memory is still 243.3MB. Free memory was 204.0MB in the beginning and 187.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,065 INFO L158 Benchmark]: TraceAbstraction took 2399.31ms. Allocated memory is still 243.3MB. Free memory was 187.2MB in the beginning and 130.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,065 INFO L158 Benchmark]: Witness Printer took 117.88ms. Allocated memory is still 243.3MB. Free memory was 130.6MB in the beginning and 125.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:44:46,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1713.45ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 111.5MB in the beginning and 209.0MB in the end (delta: -97.5MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.81ms. Allocated memory is still 243.3MB. Free memory was 209.0MB in the beginning and 206.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.58ms. Allocated memory is still 243.3MB. Free memory was 206.1MB in the beginning and 204.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.07ms. Allocated memory is still 243.3MB. Free memory was 204.0MB in the beginning and 187.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2399.31ms. Allocated memory is still 243.3MB. Free memory was 187.2MB in the beginning and 130.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 117.88ms. Allocated memory is still 243.3MB. Free memory was 130.6MB in the beginning and 125.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 727 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 533 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 194 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=1, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 27 PreInvPairs, 29 NumberOfFragments, 66 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:44:46,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c797d77b-0d51-4b8e-9a0e-05015eaec74a/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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