./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/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_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/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_c5a18cb6-139a-422b-9632-8c2e6485f983/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 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 --- 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 20:23:46,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:23:46,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:23:46,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:23:46,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:23:46,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:23:46,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:23:46,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:23:46,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:23:46,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:23:46,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:23:46,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:23:46,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:23:46,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:23:46,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:23:46,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:23:46,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:23:46,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:23:46,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:23:46,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:23:46,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:23:46,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:23:46,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:23:46,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:23:46,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:23:46,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:23:46,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:23:46,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:23:46,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:23:46,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:23:46,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:23:46,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:23:46,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:23:46,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:23:46,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:23:46,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:23:46,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:23:46,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:23:46,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:23:46,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:23:46,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:23:46,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:23:46,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:23:46,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:23:46,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:23:46,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:23:46,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:23:46,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:23:47,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:23:47,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:23:47,001 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:23:47,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:23:47,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:23:47,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:23:47,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:23:47,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:23:47,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:23:47,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:23:47,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:23:47,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:23:47,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:23:47,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:23:47,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:23:47,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:23:47,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:23:47,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:23:47,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:23:47,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:23:47,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:23:47,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:23:47,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:23:47,009 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:23:47,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:23:47,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:23:47,009 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_c5a18cb6-139a-422b-9632-8c2e6485f983/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 [2022-11-18 20:23:47,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:23:47,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:23:47,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:23:47,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:23:47,376 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:23:47,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-18 20:23:47,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/data/d4ccc97c8/2efd206a54ee46d6a38826662d134501/FLAGf93e0bfd6 [2022-11-18 20:23:48,243 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:23:48,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-18 20:23:48,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/data/d4ccc97c8/2efd206a54ee46d6a38826662d134501/FLAGf93e0bfd6 [2022-11-18 20:23:48,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/data/d4ccc97c8/2efd206a54ee46d6a38826662d134501 [2022-11-18 20:23:48,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:23:48,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:23:48,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:23:48,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:23:48,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:23:48,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:23:48" (1/1) ... [2022-11-18 20:23:48,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a3487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:48, skipping insertion in model container [2022-11-18 20:23:48,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:23:48" (1/1) ... [2022-11-18 20:23:48,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:23:48,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:23:49,045 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:23:49,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:23:49,614 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:23:49,635 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:23:49,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:23:49,848 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:23:49,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49 WrapperNode [2022-11-18 20:23:49,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:23:49,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:23:49,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:23:49,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:23:49,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:49,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:49,979 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-18 20:23:49,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:23:49,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:23:49,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:23:49,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:23:49,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:49,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:23:50,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:23:50,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:23:50,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:23:50,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (1/1) ... [2022-11-18 20:23:50,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:23:50,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:23:50,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:23:50,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:23:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:23:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:23:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-18 20:23:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:23:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:23:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:23:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:23:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:23:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:23:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:23:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:23:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:23:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:23:50,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:23:50,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:23:50,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:23:50,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:23:50,694 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:23:50,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:23:50 BoogieIcfgContainer [2022-11-18 20:23:50,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:23:50,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:23:50,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:23:50,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:23:50,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:23:48" (1/3) ... [2022-11-18 20:23:50,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a64cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:23:50, skipping insertion in model container [2022-11-18 20:23:50,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:23:49" (2/3) ... [2022-11-18 20:23:50,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a64cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:23:50, skipping insertion in model container [2022-11-18 20:23:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:23:50" (3/3) ... [2022-11-18 20:23:50,706 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-18 20:23:50,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:23:50,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:23:50,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:23:50,799 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;@36a946ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:23:50,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:23:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 20:23:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:23:50,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:50,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:50,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:50,829 INFO L85 PathProgramCache]: Analyzing trace with hash -3411870, now seen corresponding path program 1 times [2022-11-18 20:23:50,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:50,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970499672] [2022-11-18 20:23:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:50,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:23:51,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:51,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970499672] [2022-11-18 20:23:51,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970499672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:51,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:51,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:23:51,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182181203] [2022-11-18 20:23:51,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:51,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:51,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,338 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:51,426 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2022-11-18 20:23:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:51,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 20:23:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:51,444 INFO L225 Difference]: With dead ends: 114 [2022-11-18 20:23:51,462 INFO L226 Difference]: Without dead ends: 53 [2022-11-18 20:23:51,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,478 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:51,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 71 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-18 20:23:51,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-18 20:23:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 46 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:23:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-18 20:23:51,549 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 12 [2022-11-18 20:23:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:51,551 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-18 20:23:51,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-18 20:23:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:23:51,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:51,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:51,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:23:51,558 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 20:23:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:51,562 INFO L85 PathProgramCache]: Analyzing trace with hash 716579271, now seen corresponding path program 1 times [2022-11-18 20:23:51,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:51,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577759490] [2022-11-18 20:23:51,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:23:51,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:51,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577759490] [2022-11-18 20:23:51,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577759490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:51,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:51,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:51,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762171948] [2022-11-18 20:23:51,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:51,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:51,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:51,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,761 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:51,785 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2022-11-18 20:23:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:51,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-18 20:23:51,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:51,788 INFO L225 Difference]: With dead ends: 53 [2022-11-18 20:23:51,789 INFO L226 Difference]: Without dead ends: 52 [2022-11-18 20:23:51,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,797 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 33 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:51,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 80 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-18 20:23:51,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-18 20:23:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.393939393939394) internal successors, (46), 45 states have internal predecessors, (46), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:23:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-11-18 20:23:51,812 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 14 [2022-11-18 20:23:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:51,812 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-11-18 20:23:51,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-18 20:23:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:23:51,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:51,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:51,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:23:51,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash 739120992, now seen corresponding path program 1 times [2022-11-18 20:23:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:51,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724213604] [2022-11-18 20:23:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:23:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:51,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724213604] [2022-11-18 20:23:51,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724213604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:51,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:51,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588805659] [2022-11-18 20:23:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:51,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,892 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:51,918 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2022-11-18 20:23:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-18 20:23:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:51,920 INFO L225 Difference]: With dead ends: 122 [2022-11-18 20:23:51,921 INFO L226 Difference]: Without dead ends: 84 [2022-11-18 20:23:51,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:51,922 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 32 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 129 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 20:23:51,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 129 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:51,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-18 20:23:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 54. [2022-11-18 20:23:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 46 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:23:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-18 20:23:51,970 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 15 [2022-11-18 20:23:51,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:51,971 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-18 20:23:51,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:23:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-18 20:23:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:23:51,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:51,973 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:51,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:23:51,974 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:51,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:51,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1877659523, now seen corresponding path program 1 times [2022-11-18 20:23:51,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833701569] [2022-11-18 20:23:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:23:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:23:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:52,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833701569] [2022-11-18 20:23:52,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833701569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:52,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:52,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:23:52,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789179327] [2022-11-18 20:23:52,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:52,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:52,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,149 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:23:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:52,194 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2022-11-18 20:23:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:52,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-18 20:23:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:52,196 INFO L225 Difference]: With dead ends: 89 [2022-11-18 20:23:52,197 INFO L226 Difference]: Without dead ends: 52 [2022-11-18 20:23:52,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,199 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:52,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-18 20:23:52,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-18 20:23:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-18 20:23:52,210 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 24 [2022-11-18 20:23:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:52,210 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-18 20:23:52,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:23:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-18 20:23:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:23:52,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:52,217 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:52,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:23:52,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:52,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:52,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008232, now seen corresponding path program 1 times [2022-11-18 20:23:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:52,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014073508] [2022-11-18 20:23:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:52,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:23:52,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:52,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014073508] [2022-11-18 20:23:52,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014073508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:52,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:52,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727036959] [2022-11-18 20:23:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:52,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:52,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,426 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:23:52,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:52,463 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-18 20:23:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:52,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-18 20:23:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:52,465 INFO L225 Difference]: With dead ends: 52 [2022-11-18 20:23:52,465 INFO L226 Difference]: Without dead ends: 51 [2022-11-18 20:23:52,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,468 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:52,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-18 20:23:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-18 20:23:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.25) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-11-18 20:23:52,489 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2022-11-18 20:23:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:52,490 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-11-18 20:23:52,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:23:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-18 20:23:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:23:52,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:52,491 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:52,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:23:52,492 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1834484019, now seen corresponding path program 1 times [2022-11-18 20:23:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:52,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696018665] [2022-11-18 20:23:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:23:52,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:52,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696018665] [2022-11-18 20:23:52,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696018665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:52,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:52,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:52,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599513192] [2022-11-18 20:23:52,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:52,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:52,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:52,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:52,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,634 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:23:52,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:52,669 INFO L93 Difference]: Finished difference Result 92 states and 103 transitions. [2022-11-18 20:23:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:52,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-18 20:23:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:52,673 INFO L225 Difference]: With dead ends: 92 [2022-11-18 20:23:52,673 INFO L226 Difference]: Without dead ends: 68 [2022-11-18 20:23:52,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,680 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 18 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 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 20:23:52,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-18 20:23:52,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 53. [2022-11-18 20:23:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.205128205128205) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-11-18 20:23:52,689 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 26 [2022-11-18 20:23:52,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:52,690 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-11-18 20:23:52,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:23:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-18 20:23:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 20:23:52,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:52,704 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 20:23:52,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:23:52,704 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:52,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1863024089, now seen corresponding path program 1 times [2022-11-18 20:23:52,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:52,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252058551] [2022-11-18 20:23:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:23:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:23:52,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:52,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252058551] [2022-11-18 20:23:52,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252058551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:52,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:52,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:52,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836046463] [2022-11-18 20:23:52,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:52,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:52,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:52,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:52,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,817 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 20:23:52,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:52,839 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-11-18 20:23:52,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:52,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 33 [2022-11-18 20:23:52,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:52,843 INFO L225 Difference]: With dead ends: 53 [2022-11-18 20:23:52,843 INFO L226 Difference]: Without dead ends: 52 [2022-11-18 20:23:52,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:52,850 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 9 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:52,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 96 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-18 20:23:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-18 20:23:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-18 20:23:52,874 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 33 [2022-11-18 20:23:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:52,877 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-18 20:23:52,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 20:23:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-18 20:23:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 20:23:52,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:52,881 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 20:23:52,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:23:52,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:52,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:52,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1919171787, now seen corresponding path program 1 times [2022-11-18 20:23:52,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:52,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015207067] [2022-11-18 20:23:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:23:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:23:53,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:53,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015207067] [2022-11-18 20:23:53,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015207067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:53,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:53,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:53,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197931686] [2022-11-18 20:23:53,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:53,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:53,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:53,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:53,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,014 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:23:53,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:53,030 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-18 20:23:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:53,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 34 [2022-11-18 20:23:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:53,033 INFO L225 Difference]: With dead ends: 52 [2022-11-18 20:23:53,034 INFO L226 Difference]: Without dead ends: 51 [2022-11-18 20:23:53,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,036 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:53,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 96 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-18 20:23:53,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-18 20:23:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-11-18 20:23:53,056 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 34 [2022-11-18 20:23:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:53,056 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-11-18 20:23:53,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:23:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-18 20:23:53,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 20:23:53,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:53,059 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:53,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:23:53,059 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:53,060 INFO L85 PathProgramCache]: Analyzing trace with hash -284591334, now seen corresponding path program 1 times [2022-11-18 20:23:53,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:53,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89647830] [2022-11-18 20:23:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:53,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:23:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:23:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:23:53,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:53,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89647830] [2022-11-18 20:23:53,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89647830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:53,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:53,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:53,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723699716] [2022-11-18 20:23:53,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,192 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:23:53,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:53,213 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-18 20:23:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:53,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-18 20:23:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:53,216 INFO L225 Difference]: With dead ends: 51 [2022-11-18 20:23:53,216 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 20:23:53,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,220 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:53,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:53,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 20:23:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 20:23:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:23:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-11-18 20:23:53,239 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 42 [2022-11-18 20:23:53,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:53,241 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-11-18 20:23:53,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:23:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-18 20:23:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 20:23:53,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:23:53,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:53,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:23:53,244 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:23:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:23:53,245 INFO L85 PathProgramCache]: Analyzing trace with hash -232396620, now seen corresponding path program 1 times [2022-11-18 20:23:53,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:23:53,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143148939] [2022-11-18 20:23:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:23:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:23:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:23:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:23:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:23:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:23:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:23:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:23:53,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:23:53,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143148939] [2022-11-18 20:23:53,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143148939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:23:53,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:23:53,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:23:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958571145] [2022-11-18 20:23:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:23:53,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:23:53,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:23:53,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:23:53,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,353 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:23:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:23:53,366 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-11-18 20:23:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:23:53,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-11-18 20:23:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:23:53,369 INFO L225 Difference]: With dead ends: 50 [2022-11-18 20:23:53,369 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:23:53,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:23:53,374 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:23:53,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:23:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:23:53,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:23:53,378 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 20:23:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:23:53,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-18 20:23:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:23:53,379 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:23:53,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:23:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:23:53,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:23:53,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:23:53,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:23:53,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:23:53,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:23:53,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:23:53,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:23:53,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:23:53,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:23:53,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:23:53,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:23:53,665 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:23:53,665 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:23:53,665 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:23:53,665 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:23:53,665 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:23:53,665 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:23:53,666 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:23:53,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-18 20:23:53,667 INFO L895 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-18 20:23:53,667 INFO L899 garLoopResultBuilder]: For program point L1662-1(line 1662) no Hoare annotation was computed. [2022-11-18 20:23:53,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1647) no Hoare annotation was computed. [2022-11-18 20:23:53,667 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1613) no Hoare annotation was computed. [2022-11-18 20:23:53,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:23:53,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:23:53,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:23:53,668 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-11-18 20:23:53,668 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-18 20:23:53,668 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false [2022-11-18 20:23:53,668 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1602) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1586 1615) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L899 garLoopResultBuilder]: For program point L1647(line 1647) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-11-18 20:23:53,669 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1568 1583) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:23:53,669 INFO L895 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1640(lines 1640 1643) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2022-11-18 20:23:53,670 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-11-18 20:23:53,671 INFO L899 garLoopResultBuilder]: For program point L1640-2(lines 1637 1651) no Hoare annotation was computed. [2022-11-18 20:23:53,671 INFO L895 garLoopResultBuilder]: At program point L1665(lines 1659 1666) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-18 20:23:53,671 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 0 .cse0))) [2022-11-18 20:23:53,671 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (not (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1593 1600) no Hoare annotation was computed. [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1635) no Hoare annotation was computed. [2022-11-18 20:23:53,672 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (not (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-18 20:23:53,672 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:23:53,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-18 20:23:53,673 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1600) no Hoare annotation was computed. [2022-11-18 20:23:53,673 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1615) no Hoare annotation was computed. [2022-11-18 20:23:53,673 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-11-18 20:23:53,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:23:53,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-18 20:23:53,674 INFO L899 garLoopResultBuilder]: For program point L1652(lines 1652 1658) no Hoare annotation was computed. [2022-11-18 20:23:53,674 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1651) no Hoare annotation was computed. [2022-11-18 20:23:53,675 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2022-11-18 20:23:53,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-18 20:23:53,675 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed. [2022-11-18 20:23:53,675 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1635) no Hoare annotation was computed. [2022-11-18 20:23:53,675 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed. [2022-11-18 20:23:53,675 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1584) no Hoare annotation was computed. [2022-11-18 20:23:53,676 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-18 20:23:53,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1647) no Hoare annotation was computed. [2022-11-18 20:23:53,682 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:23:53,684 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:23:53,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:23:53 BoogieIcfgContainer [2022-11-18 20:23:53,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:23:53,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:23:53,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:23:53,699 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:23:53,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:23:50" (3/4) ... [2022-11-18 20:23:53,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:23:53,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:23:53,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:23:53,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 20:23:53,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:23:53,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:23:53,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:23:53,718 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:23:53,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:23:53,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:23:53,766 INFO L158 Benchmark]: Toolchain (without parser) took 5407.39ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 83.2MB in the beginning and 135.9MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:23:53,766 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:23:53,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.52ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 96.6MB in the end (delta: -13.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.10ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,768 INFO L158 Benchmark]: Boogie Preprocessor took 68.56ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,768 INFO L158 Benchmark]: RCFGBuilder took 643.13ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 75.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,769 INFO L158 Benchmark]: TraceAbstraction took 3000.17ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 75.0MB in the beginning and 139.0MB in the end (delta: -64.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,769 INFO L158 Benchmark]: Witness Printer took 66.43ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 135.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:23:53,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.52ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 96.6MB in the end (delta: -13.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.10ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 93.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.56ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.13ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 75.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3000.17ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 75.0MB in the beginning and 139.0MB in the end (delta: -64.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Witness Printer took 66.43ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 135.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 925 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 589 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 45 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 47 PreInvPairs, 56 NumberOfFragments, 136 HoareAnnotationTreeSize, 47 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 126 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1659]: Loop Invariant Derived loop invariant: STATIC_CONST_TRUE == 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:23:53,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a18cb6-139a-422b-9632-8c2e6485f983/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE