./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --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 cac34979b9aa2a89bb0948e53cb1799e21a6b6fa6369624d7e8709f7f8009cbb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:17:43,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:17:43,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:17:43,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:17:43,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:17:43,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:17:43,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:17:43,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:17:43,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:17:43,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:17:43,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:17:43,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:17:43,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:17:43,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:17:43,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:17:43,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:17:43,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:17:43,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:17:43,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:17:43,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:17:43,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:17:43,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:17:43,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:17:43,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:17:43,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:17:43,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:17:43,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:17:43,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:17:43,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:17:43,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:17:43,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:17:43,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:17:43,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:17:43,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:17:43,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:17:43,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:17:43,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:17:43,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:17:43,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:17:43,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:17:43,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:17:43,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:17:43,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:17:43,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:17:43,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:17:43,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:17:43,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:17:43,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:17:43,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:17:43,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:17:43,919 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:17:43,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:17:43,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:17:43,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:17:43,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:17:43,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:17:43,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:17:43,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:17:43,922 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:17:43,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:17:43,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:17:43,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:17:43,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:17:43,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:17:43,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:17:43,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:17:43,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:17:43,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:17:43,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:17:43,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:17:43,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:17:43,925 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:17:43,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:17:43,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:17:43,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cac34979b9aa2a89bb0948e53cb1799e21a6b6fa6369624d7e8709f7f8009cbb [2022-11-18 20:17:44,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:17:44,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:17:44,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:17:44,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:17:44,262 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:17:44,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_good.i [2022-11-18 20:17:44,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/data/2acffe81c/80c8d7131e5948ef918399cddd9b581e/FLAG39f6f6fa2 [2022-11-18 20:17:45,092 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:17:45,093 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_12_good.i [2022-11-18 20:17:45,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/data/2acffe81c/80c8d7131e5948ef918399cddd9b581e/FLAG39f6f6fa2 [2022-11-18 20:17:45,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/data/2acffe81c/80c8d7131e5948ef918399cddd9b581e [2022-11-18 20:17:45,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:17:45,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:17:45,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:17:45,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:17:45,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:17:45,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:17:45" (1/1) ... [2022-11-18 20:17:45,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d999e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:45, skipping insertion in model container [2022-11-18 20:17:45,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:17:45" (1/1) ... [2022-11-18 20:17:45,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:17:45,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:17:45,844 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:17:46,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:17:46,581 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:17:46,600 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:17:46,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:17:46,770 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:17:46,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46 WrapperNode [2022-11-18 20:17:46,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:17:46,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:17:46,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:17:46,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:17:46,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,850 INFO L138 Inliner]: procedures = 501, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2022-11-18 20:17:46,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:17:46,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:17:46,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:17:46,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:17:46,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:17:46,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:17:46,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:17:46,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:17:46,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (1/1) ... [2022-11-18 20:17:46,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:17:46,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:17:46,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:17:46,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:17:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:17:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:17:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-18 20:17:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-18 20:17:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:17:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:17:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:17:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:17:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:17:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:17:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:17:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:17:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:17:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:17:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:17:47,201 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:17:47,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:17:47,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:17:47,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:17:47,549 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:17:47,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:17:47 BoogieIcfgContainer [2022-11-18 20:17:47,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:17:47,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:17:47,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:17:47,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:17:47,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:17:45" (1/3) ... [2022-11-18 20:17:47,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e809b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:17:47, skipping insertion in model container [2022-11-18 20:17:47,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:17:46" (2/3) ... [2022-11-18 20:17:47,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e809b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:17:47, skipping insertion in model container [2022-11-18 20:17:47,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:17:47" (3/3) ... [2022-11-18 20:17:47,565 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_12_good.i [2022-11-18 20:17:47,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:17:47,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:17:47,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:17:47,665 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=LoopsAndPotentialCycles, 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;@1acd4ab6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:17:47,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:17:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 47 states have internal predecessors, (50), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 20:17:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:17:47,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:47,684 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] [2022-11-18 20:17:47,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:47,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash 834623729, now seen corresponding path program 1 times [2022-11-18 20:17:47,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:47,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470632067] [2022-11-18 20:17:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:17:48,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:48,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470632067] [2022-11-18 20:17:48,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470632067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:48,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:48,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:17:48,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393912177] [2022-11-18 20:17:48,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:48,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:17:48,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:48,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:17:48,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:48,674 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 47 states have internal predecessors, (50), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:17:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:48,870 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-11-18 20:17:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:17:48,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-18 20:17:48,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:48,888 INFO L225 Difference]: With dead ends: 60 [2022-11-18 20:17:48,888 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 20:17:48,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:17:48,897 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 14 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:48,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 215 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:17:48,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 20:17:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2022-11-18 20:17:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.4) internal successors, (42), 39 states have internal predecessors, (42), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-11-18 20:17:48,965 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 22 [2022-11-18 20:17:48,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:48,968 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-11-18 20:17:48,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:17:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-18 20:17:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:17:48,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:48,973 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] [2022-11-18 20:17:48,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:17:48,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:48,999 INFO L85 PathProgramCache]: Analyzing trace with hash 834609827, now seen corresponding path program 1 times [2022-11-18 20:17:48,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:48,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249461668] [2022-11-18 20:17:49,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:17:49,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:49,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249461668] [2022-11-18 20:17:49,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249461668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:49,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:49,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:17:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345427960] [2022-11-18 20:17:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:49,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:17:49,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:49,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:17:49,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:49,358 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:17:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:49,473 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2022-11-18 20:17:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:17:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-18 20:17:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:49,478 INFO L225 Difference]: With dead ends: 50 [2022-11-18 20:17:49,479 INFO L226 Difference]: Without dead ends: 49 [2022-11-18 20:17:49,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:17:49,485 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:49,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 130 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:17:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-18 20:17:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-11-18 20:17:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 38 states have internal predecessors, (41), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-18 20:17:49,495 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 22 [2022-11-18 20:17:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:49,495 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-18 20:17:49,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:17:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-11-18 20:17:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:17:49,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:49,497 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] [2022-11-18 20:17:49,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:17:49,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:49,505 INFO L85 PathProgramCache]: Analyzing trace with hash 103531903, now seen corresponding path program 1 times [2022-11-18 20:17:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:49,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453412406] [2022-11-18 20:17:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:17:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:49,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453412406] [2022-11-18 20:17:49,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453412406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:49,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:49,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270703226] [2022-11-18 20:17:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:49,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:49,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:49,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:49,621 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:17:49,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:49,654 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-11-18 20:17:49,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:49,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-18 20:17:49,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:49,658 INFO L225 Difference]: With dead ends: 48 [2022-11-18 20:17:49,658 INFO L226 Difference]: Without dead ends: 47 [2022-11-18 20:17:49,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:49,668 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:49,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:49,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-18 20:17:49,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-18 20:17:49,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 37 states have internal predecessors, (40), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2022-11-18 20:17:49,679 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 23 [2022-11-18 20:17:49,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:49,682 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-11-18 20:17:49,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:17:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-18 20:17:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:17:49,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:49,684 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] [2022-11-18 20:17:49,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:17:49,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:49,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 103100927, now seen corresponding path program 1 times [2022-11-18 20:17:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:49,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34257097] [2022-11-18 20:17:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:17:49,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:49,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34257097] [2022-11-18 20:17:49,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34257097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:49,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:49,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:49,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954344787] [2022-11-18 20:17:49,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:49,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:49,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:49,802 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:17:49,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:49,858 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2022-11-18 20:17:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:49,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-18 20:17:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:49,860 INFO L225 Difference]: With dead ends: 47 [2022-11-18 20:17:49,860 INFO L226 Difference]: Without dead ends: 46 [2022-11-18 20:17:49,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:49,862 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:49,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:49,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-18 20:17:49,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-18 20:17:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 36 states have internal predecessors, (39), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-11-18 20:17:49,870 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 23 [2022-11-18 20:17:49,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:49,871 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-11-18 20:17:49,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:17:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-18 20:17:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 20:17:49,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:49,873 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:17:49,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:17:49,873 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:49,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1320315956, now seen corresponding path program 1 times [2022-11-18 20:17:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:49,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714334635] [2022-11-18 20:17:49,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:17:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:17:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:17:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:17:49,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:49,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714334635] [2022-11-18 20:17:49,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714334635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:49,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:49,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:49,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515317314] [2022-11-18 20:17:49,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:49,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:49,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:49,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:49,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:49,988 INFO L87 Difference]: Start difference. First operand 46 states and 57 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:50,009 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2022-11-18 20:17:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:50,010 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-18 20:17:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:50,011 INFO L225 Difference]: With dead ends: 46 [2022-11-18 20:17:50,012 INFO L226 Difference]: Without dead ends: 45 [2022-11-18 20:17:50,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:50,013 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 9 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:50,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 147 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-18 20:17:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-18 20:17:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 35 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-18 20:17:50,021 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 41 [2022-11-18 20:17:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:50,022 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-18 20:17:50,022 INFO L496 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-18 20:17:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 20:17:50,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:50,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:17:50,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:17:50,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:50,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1320316180, now seen corresponding path program 1 times [2022-11-18 20:17:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:50,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428969171] [2022-11-18 20:17:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:50,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:17:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:17:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:17:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:17:50,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:50,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428969171] [2022-11-18 20:17:50,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428969171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:50,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:50,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:50,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822242856] [2022-11-18 20:17:50,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:50,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:50,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:50,149 INFO L87 Difference]: Start difference. First operand 45 states and 56 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:50,170 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-11-18 20:17:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:50,171 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-18 20:17:50,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:50,172 INFO L225 Difference]: With dead ends: 45 [2022-11-18 20:17:50,172 INFO L226 Difference]: Without dead ends: 44 [2022-11-18 20:17:50,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:50,173 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 8 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:50,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 145 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:50,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-18 20:17:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-18 20:17:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 34 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-11-18 20:17:50,181 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 41 [2022-11-18 20:17:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:50,181 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-11-18 20:17:50,182 INFO L496 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-18 20:17:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 20:17:50,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:50,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:17:50,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:17:50,184 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:50,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2019878219, now seen corresponding path program 1 times [2022-11-18 20:17:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:50,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873462998] [2022-11-18 20:17:50,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:17:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:17:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:17:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:17:50,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:50,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873462998] [2022-11-18 20:17:50,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873462998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:50,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:50,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:50,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931932965] [2022-11-18 20:17:50,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:50,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:50,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:50,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:50,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:50,292 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:50,310 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-11-18 20:17:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:50,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-11-18 20:17:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:50,312 INFO L225 Difference]: With dead ends: 44 [2022-11-18 20:17:50,312 INFO L226 Difference]: Without dead ends: 41 [2022-11-18 20:17:50,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:50,314 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:50,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 143 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-18 20:17:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-18 20:17:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 31 states have internal predecessors, (34), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:17:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2022-11-18 20:17:50,321 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 42 [2022-11-18 20:17:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:50,321 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2022-11-18 20:17:50,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-11-18 20:17:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 20:17:50,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:17:50,324 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:17:50,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:17:50,324 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:17:50,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:17:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2019871268, now seen corresponding path program 1 times [2022-11-18 20:17:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:17:50,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256620939] [2022-11-18 20:17:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:17:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:17:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:17:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:17:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:17:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:17:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:17:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:17:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:17:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:17:50,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:17:50,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256620939] [2022-11-18 20:17:50,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256620939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:17:50,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:17:50,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:17:50,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570493943] [2022-11-18 20:17:50,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:17:50,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:17:50,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:17:50,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:17:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:17:50,426 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:17:50,448 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2022-11-18 20:17:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:17:50,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-11-18 20:17:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:17:50,451 INFO L225 Difference]: With dead ends: 41 [2022-11-18 20:17:50,451 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:17:50,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:17:50,455 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:17:50,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:17:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:17:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:17:50,458 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) [2022-11-18 20:17:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:17:50,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-18 20:17:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:17:50,459 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:17:50,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:17:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:17:50,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:17:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:17:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:17:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:17:50,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:17:50,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:17:50,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:17:50,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:17:50,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:17:50,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:17:50,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:17:50,526 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:17:50,526 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:17:50,526 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:17:50,527 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:17:50,527 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2022-11-18 20:17:50,527 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-18 20:17:50,527 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-18 20:17:50,527 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:17:50,527 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:17:50,527 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:17:50,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-18 20:17:50,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-18 20:17:50,528 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:17:50,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-18 20:17:50,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2022-11-18 20:17:50,529 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1585) no Hoare annotation was computed. [2022-11-18 20:17:50,530 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,530 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-18 20:17:50,530 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1559) no Hoare annotation was computed. [2022-11-18 20:17:50,530 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,531 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1586) no Hoare annotation was computed. [2022-11-18 20:17:50,531 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-18 20:17:50,531 INFO L899 garLoopResultBuilder]: For program point L1577(line 1577) no Hoare annotation was computed. [2022-11-18 20:17:50,531 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-18 20:17:50,532 INFO L902 garLoopResultBuilder]: At program point L1627(lines 1621 1628) the Hoare annotation is: true [2022-11-18 20:17:50,533 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,534 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-11-18 20:17:50,535 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-18 20:17:50,535 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1599 1614) no Hoare annotation was computed. [2022-11-18 20:17:50,535 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-11-18 20:17:50,536 INFO L902 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: true [2022-11-18 20:17:50,536 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2022-11-18 20:17:50,536 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2022-11-18 20:17:50,536 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-11-18 20:17:50,536 INFO L899 garLoopResultBuilder]: For program point L1591-2(lines 1591 1598) no Hoare annotation was computed. [2022-11-18 20:17:50,536 INFO L895 garLoopResultBuilder]: At program point L1591-4(lines 1591 1598) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (and (<= .cse0 0) (<= 0 .cse0))) [2022-11-18 20:17:50,537 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1620) no Hoare annotation was computed. [2022-11-18 20:17:50,537 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,537 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1560 1585) no Hoare annotation was computed. [2022-11-18 20:17:50,537 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-11-18 20:17:50,537 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2022-11-18 20:17:50,537 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1587 1615) no Hoare annotation was computed. [2022-11-18 20:17:50,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-18 20:17:50,538 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1584) no Hoare annotation was computed. [2022-11-18 20:17:50,538 INFO L902 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: true [2022-11-18 20:17:50,542 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:17:50,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:17:50,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:17:50 BoogieIcfgContainer [2022-11-18 20:17:50,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:17:50,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:17:50,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:17:50,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:17:50,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:17:47" (3/4) ... [2022-11-18 20:17:50,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:17:50,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:17:50,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-18 20:17:50,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:17:50,577 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-18 20:17:50,578 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 20:17:50,578 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:17:50,578 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:17:50,640 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:17:50,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:17:50,640 INFO L158 Benchmark]: Toolchain (without parser) took 5376.27ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 92.7MB in the beginning and 137.9MB in the end (delta: -45.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:17:50,641 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:17:50,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.14ms. Allocated memory is still 130.0MB. Free memory was 92.5MB in the beginning and 54.6MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-18 20:17:50,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 130.0MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:17:50,642 INFO L158 Benchmark]: Boogie Preprocessor took 28.45ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:17:50,642 INFO L158 Benchmark]: RCFGBuilder took 669.25ms. Allocated memory is still 130.0MB. Free memory was 49.6MB in the beginning and 95.7MB in the end (delta: -46.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-18 20:17:50,642 INFO L158 Benchmark]: TraceAbstraction took 3000.21ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 94.8MB in the beginning and 141.0MB in the end (delta: -46.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:17:50,643 INFO L158 Benchmark]: Witness Printer took 84.87ms. Allocated memory is still 174.1MB. Free memory was 141.0MB in the beginning and 137.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:17:50,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.14ms. Allocated memory is still 130.0MB. Free memory was 92.5MB in the beginning and 54.6MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 130.0MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.45ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.25ms. Allocated memory is still 130.0MB. Free memory was 49.6MB in the beginning and 95.7MB in the end (delta: -46.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3000.21ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 94.8MB in the beginning and 141.0MB in the end (delta: -46.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.87ms. Allocated memory is still 174.1MB. Free memory was 141.0MB in the beginning and 137.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: 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, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 1220 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 800 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 420 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 25 PreInvPairs, 25 NumberOfFragments, 66 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 100/100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1621]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:17:50,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3260bf89-a215-4c28-8054-b4875c909927/bin/uautomizer-TMbwUNV5ro/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