./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS --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 b6ba0756961e47bc02202fdbcd11be999219b225857cf3037504c91aadb636cb --- 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-4e7fbc6 [2022-11-23 03:02:48,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:02:48,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:02:48,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:02:48,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:02:48,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:02:48,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:02:48,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:02:48,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:02:48,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:02:48,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:02:48,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:02:48,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:02:48,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:02:48,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:02:48,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:02:48,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:02:48,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:02:48,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:02:48,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:02:48,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:02:48,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:02:48,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:02:48,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:02:48,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:02:48,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:02:48,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:02:48,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:02:48,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:02:48,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:02:48,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:02:48,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:02:48,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:02:48,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:02:48,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:02:48,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:02:48,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:02:48,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:02:48,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:02:48,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:02:48,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:02:48,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 03:02:48,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:02:48,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:02:48,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:02:48,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:02:48,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:02:48,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:02:48,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:02:48,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:02:48,123 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:02:48,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:02:48,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:02:48,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:02:48,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:02:48,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:02:48,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:02:48,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:02:48,126 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:02:48,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:02:48,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:02:48,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:02:48,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:02:48,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:02:48,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:02:48,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:02:48,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:02:48,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:02:48,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:02:48,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:02:48,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:02:48,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:02:48,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:02:48,130 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:02:48,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:02:48,130 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ba0756961e47bc02202fdbcd11be999219b225857cf3037504c91aadb636cb [2022-11-23 03:02:48,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:02:48,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:02:48,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:02:48,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:02:48,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:02:48,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i [2022-11-23 03:02:51,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:02:51,938 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:02:51,939 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_15_good.i [2022-11-23 03:02:51,957 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/data/847a27d17/17a399b27ea54301985bb2c125831e26/FLAG9f282d7f6 [2022-11-23 03:02:51,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/data/847a27d17/17a399b27ea54301985bb2c125831e26 [2022-11-23 03:02:51,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:02:51,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:02:51,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:02:51,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:02:51,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:02:51,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2022-11-23 03:02:51,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6398b881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51, skipping insertion in model container [2022-11-23 03:02:51,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2022-11-23 03:02:52,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:02:52,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:02:52,483 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:02:53,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:02:53,087 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:02:53,112 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:02:53,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:02:53,356 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:02:53,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53 WrapperNode [2022-11-23 03:02:53,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:02:53,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:02:53,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:02:53,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:02:53,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,430 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 187 [2022-11-23 03:02:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:02:53,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:02:53,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:02:53,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:02:53,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:02:53,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:02:53,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:02:53,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:02:53,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (1/1) ... [2022-11-23 03:02:53,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:02:53,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:02:53,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:02:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:02:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 03:02:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 03:02:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 03:02:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 03:02:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:02:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:02:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 03:02:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:02:53,785 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:02:53,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:02:54,142 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:02:54,151 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:02:54,151 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:02:54,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:54 BoogieIcfgContainer [2022-11-23 03:02:54,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:02:54,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:02:54,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:02:54,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:02:54,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:02:51" (1/3) ... [2022-11-23 03:02:54,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58109900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:02:54, skipping insertion in model container [2022-11-23 03:02:54,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53" (2/3) ... [2022-11-23 03:02:54,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58109900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:02:54, skipping insertion in model container [2022-11-23 03:02:54,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:54" (3/3) ... [2022-11-23 03:02:54,165 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_15_good.i [2022-11-23 03:02:54,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:02:54,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 03:02:54,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:02:54,282 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;@4baf8210, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:02:54,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 03:02:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 54 states have (on average 1.537037037037037) internal successors, (83), 78 states have internal predecessors, (83), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 03:02:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 03:02:54,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:54,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:54,304 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)] === [2022-11-23 03:02:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:54,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2009313757, now seen corresponding path program 1 times [2022-11-23 03:02:54,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:54,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289532146] [2022-11-23 03:02:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:02:54,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:54,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289532146] [2022-11-23 03:02:54,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289532146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:54,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:54,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:54,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094006591] [2022-11-23 03:02:54,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:54,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:54,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:54,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:54,738 INFO L87 Difference]: Start difference. First operand has 83 states, 54 states have (on average 1.537037037037037) internal successors, (83), 78 states have internal predecessors, (83), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) 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) [2022-11-23 03:02:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:54,782 INFO L93 Difference]: Finished difference Result 156 states and 222 transitions. [2022-11-23 03:02:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) 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 [2022-11-23 03:02:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:54,802 INFO L225 Difference]: With dead ends: 156 [2022-11-23 03:02:54,802 INFO L226 Difference]: Without dead ends: 70 [2022-11-23 03:02:54,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:54,815 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 4 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:54,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 220 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-23 03:02:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-23 03:02:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 66 states have internal predecessors, (70), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:02:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2022-11-23 03:02:54,862 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 15 [2022-11-23 03:02:54,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:54,864 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2022-11-23 03:02:54,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) 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) [2022-11-23 03:02:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-11-23 03:02:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 03:02:54,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:54,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:54,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:02:54,867 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)] === [2022-11-23 03:02:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1328587979, now seen corresponding path program 1 times [2022-11-23 03:02:54,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:54,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496459838] [2022-11-23 03:02:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:02:55,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496459838] [2022-11-23 03:02:55,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496459838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:55,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584002499] [2022-11-23 03:02:55,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:02:55,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:02:55,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:02:55,118 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:02:55,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,181 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2022-11-23 03:02:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:02:55,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-23 03:02:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,187 INFO L225 Difference]: With dead ends: 70 [2022-11-23 03:02:55,187 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 03:02:55,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:55,189 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 56 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:55,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 206 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 03:02:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-23 03:02:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.5) internal successors, (69), 65 states have internal predecessors, (69), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:02:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2022-11-23 03:02:55,222 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 16 [2022-11-23 03:02:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,223 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2022-11-23 03:02:55,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:02:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2022-11-23 03:02:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 03:02:55,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:55,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:02:55,229 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)] === [2022-11-23 03:02:55,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1763445692, now seen corresponding path program 1 times [2022-11-23 03:02:55,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299288010] [2022-11-23 03:02:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:02:55,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299288010] [2022-11-23 03:02:55,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299288010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:02:55,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971194648] [2022-11-23 03:02:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:55,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:55,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,310 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:02:55,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,326 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2022-11-23 03:02:55,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:55,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 03:02:55,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,328 INFO L225 Difference]: With dead ends: 69 [2022-11-23 03:02:55,328 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 03:02:55,329 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 [2022-11-23 03:02:55,330 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 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 [2022-11-23 03:02:55,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 03:02:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 03:02:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 64 states have internal predecessors, (68), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:02:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2022-11-23 03:02:55,342 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 17 [2022-11-23 03:02:55,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,343 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2022-11-23 03:02:55,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:02:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2022-11-23 03:02:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 03:02:55,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:55,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:02:55,345 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)] === [2022-11-23 03:02:55,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash 799401358, now seen corresponding path program 1 times [2022-11-23 03:02:55,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928947715] [2022-11-23 03:02:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:02:55,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928947715] [2022-11-23 03:02:55,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928947715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447307541] [2022-11-23 03:02:55,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:55,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,401 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-23 03:02:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,419 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2022-11-23 03:02:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:55,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2022-11-23 03:02:55,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,421 INFO L225 Difference]: With dead ends: 119 [2022-11-23 03:02:55,421 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 03:02:55,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,423 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 5 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:55,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 176 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 03:02:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 03:02:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 63 states have internal predecessors, (67), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:02:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 95 transitions. [2022-11-23 03:02:55,435 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 95 transitions. Word has length 22 [2022-11-23 03:02:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,435 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 95 transitions. [2022-11-23 03:02:55,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-23 03:02:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2022-11-23 03:02:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 03:02:55,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,437 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] [2022-11-23 03:02:55,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:02:55,437 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)] === [2022-11-23 03:02:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,438 INFO L85 PathProgramCache]: Analyzing trace with hash 510911504, now seen corresponding path program 1 times [2022-11-23 03:02:55,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954107191] [2022-11-23 03:02:55,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 03:02:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:02:55,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954107191] [2022-11-23 03:02:55,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954107191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:55,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275020162] [2022-11-23 03:02:55,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:55,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:55,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,595 INFO L87 Difference]: Start difference. First operand 68 states and 95 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-23 03:02:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,638 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-11-23 03:02:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:55,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 26 [2022-11-23 03:02:55,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,643 INFO L225 Difference]: With dead ends: 119 [2022-11-23 03:02:55,644 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 03:02:55,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,648 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:55,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 03:02:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 03:02:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.434782608695652) internal successors, (66), 62 states have internal predecessors, (66), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 03:02:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2022-11-23 03:02:55,657 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 26 [2022-11-23 03:02:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,658 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2022-11-23 03:02:55,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-23 03:02:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-23 03:02:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 03:02:55,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,659 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, 1, 1] [2022-11-23 03:02:55,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:02:55,667 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash 612038571, now seen corresponding path program 1 times [2022-11-23 03:02:55,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119268407] [2022-11-23 03:02:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:02:55,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119268407] [2022-11-23 03:02:55,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119268407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051746803] [2022-11-23 03:02:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:55,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,739 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-23 03:02:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,752 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2022-11-23 03:02:55,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 28 [2022-11-23 03:02:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,754 INFO L225 Difference]: With dead ends: 110 [2022-11-23 03:02:55,754 INFO L226 Difference]: Without dead ends: 65 [2022-11-23 03:02:55,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:55,755 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 4 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:55,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-23 03:02:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-23 03:02:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.4) internal successors, (63), 60 states have internal predecessors, (63), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 03:02:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2022-11-23 03:02:55,764 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 28 [2022-11-23 03:02:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,764 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2022-11-23 03:02:55,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-23 03:02:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-11-23 03:02:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-23 03:02:55,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,766 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, 1, 1, 1] [2022-11-23 03:02:55,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:02:55,766 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:55,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1126717929, now seen corresponding path program 1 times [2022-11-23 03:02:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118884125] [2022-11-23 03:02:55,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:02:55,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:55,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118884125] [2022-11-23 03:02:55,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118884125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:55,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:55,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:55,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383238448] [2022-11-23 03:02:55,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:55,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:02:55,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:55,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:02:55,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:02:55,902 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-23 03:02:55,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:55,944 INFO L93 Difference]: Finished difference Result 65 states and 87 transitions. [2022-11-23 03:02:55,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:02:55,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-23 03:02:55,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:55,947 INFO L225 Difference]: With dead ends: 65 [2022-11-23 03:02:55,947 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 03:02:55,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:55,950 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 37 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:55,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 198 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 03:02:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-23 03:02:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 59 states have internal predecessors, (62), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 03:02:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2022-11-23 03:02:55,981 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 29 [2022-11-23 03:02:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:55,982 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2022-11-23 03:02:55,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-23 03:02:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2022-11-23 03:02:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 03:02:55,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:55,984 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, 1, 1, 1, 1] [2022-11-23 03:02:55,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:02:55,984 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash 568517554, now seen corresponding path program 1 times [2022-11-23 03:02:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:55,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140830042] [2022-11-23 03:02:55,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:02:56,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140830042] [2022-11-23 03:02:56,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140830042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:02:56,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286836316] [2022-11-23 03:02:56,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:56,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:56,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,214 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-23 03:02:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,227 INFO L93 Difference]: Finished difference Result 64 states and 86 transitions. [2022-11-23 03:02:56,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:56,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-11-23 03:02:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,229 INFO L225 Difference]: With dead ends: 64 [2022-11-23 03:02:56,229 INFO L226 Difference]: Without dead ends: 63 [2022-11-23 03:02:56,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,231 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 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 [2022-11-23 03:02:56,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-23 03:02:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-23 03:02:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 58 states have internal predecessors, (61), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 03:02:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2022-11-23 03:02:56,240 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 30 [2022-11-23 03:02:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,240 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions. [2022-11-23 03:02:56,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-23 03:02:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-11-23 03:02:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 03:02:56,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:56,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:02:56,243 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -243306749, now seen corresponding path program 1 times [2022-11-23 03:02:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940555822] [2022-11-23 03:02:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 03:02:56,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940555822] [2022-11-23 03:02:56,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940555822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:56,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840474423] [2022-11-23 03:02:56,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:56,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:56,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,304 INFO L87 Difference]: Start difference. First operand 63 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,322 INFO L93 Difference]: Finished difference Result 95 states and 125 transitions. [2022-11-23 03:02:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:56,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 35 [2022-11-23 03:02:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,325 INFO L225 Difference]: With dead ends: 95 [2022-11-23 03:02:56,325 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 03:02:56,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,344 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 5 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 149 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 [2022-11-23 03:02:56,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 03:02:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 03:02:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 55 states have internal predecessors, (58), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 03:02:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-23 03:02:56,362 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 35 [2022-11-23 03:02:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,365 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-23 03:02:56,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-23 03:02:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 03:02:56,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,373 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] [2022-11-23 03:02:56,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:02:56,374 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1207061858, now seen corresponding path program 1 times [2022-11-23 03:02:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668956944] [2022-11-23 03:02:56,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 03:02:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668956944] [2022-11-23 03:02:56,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668956944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:56,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21689109] [2022-11-23 03:02:56,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:02:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:02:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:02:56,536 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,573 INFO L93 Difference]: Finished difference Result 80 states and 104 transitions. [2022-11-23 03:02:56,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:02:56,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 40 [2022-11-23 03:02:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,576 INFO L225 Difference]: With dead ends: 80 [2022-11-23 03:02:56,577 INFO L226 Difference]: Without dead ends: 78 [2022-11-23 03:02:56,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:56,578 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 17 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:56,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 231 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-23 03:02:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2022-11-23 03:02:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.3125) internal successors, (63), 59 states have internal predecessors, (63), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 03:02:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2022-11-23 03:02:56,603 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 40 [2022-11-23 03:02:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,604 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2022-11-23 03:02:56,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2022-11-23 03:02:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 03:02:56,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,605 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] [2022-11-23 03:02:56,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 03:02:56,606 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1207002276, now seen corresponding path program 1 times [2022-11-23 03:02:56,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878066879] [2022-11-23 03:02:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 03:02:56,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878066879] [2022-11-23 03:02:56,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878066879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:56,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051570545] [2022-11-23 03:02:56,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:56,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,705 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,724 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2022-11-23 03:02:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:56,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2022-11-23 03:02:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,726 INFO L225 Difference]: With dead ends: 92 [2022-11-23 03:02:56,727 INFO L226 Difference]: Without dead ends: 65 [2022-11-23 03:02:56,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,728 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:56,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-23 03:02:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-23 03:02:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 58 states have internal predecessors, (62), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 03:02:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2022-11-23 03:02:56,745 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 40 [2022-11-23 03:02:56,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,747 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2022-11-23 03:02:56,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-23 03:02:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-23 03:02:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 03:02:56,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,749 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-23 03:02:56,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 03:02:56,750 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash 210930585, now seen corresponding path program 1 times [2022-11-23 03:02:56,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428888920] [2022-11-23 03:02:56,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:02:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 03:02:56,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428888920] [2022-11-23 03:02:56,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428888920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:56,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257677857] [2022-11-23 03:02:56,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:56,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:56,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,846 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:02:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,858 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2022-11-23 03:02:56,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:56,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-11-23 03:02:56,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,859 INFO L225 Difference]: With dead ends: 86 [2022-11-23 03:02:56,859 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 03:02:56,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,863 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 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 [2022-11-23 03:02:56,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 03:02:56,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-23 03:02:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 52 states have internal predecessors, (54), 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) [2022-11-23 03:02:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-11-23 03:02:56,877 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 44 [2022-11-23 03:02:56,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,877 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-11-23 03:02:56,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:02:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-11-23 03:02:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 03:02:56,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:56,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 03:02:56,881 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1068830320, now seen corresponding path program 1 times [2022-11-23 03:02:56,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60125618] [2022-11-23 03:02:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 03:02:56,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:56,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60125618] [2022-11-23 03:02:56,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60125618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:56,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:56,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:56,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044602567] [2022-11-23 03:02:56,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:56,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:56,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:56,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:56,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,966 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-23 03:02:56,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:56,978 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2022-11-23 03:02:56,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:56,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2022-11-23 03:02:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:56,980 INFO L225 Difference]: With dead ends: 73 [2022-11-23 03:02:56,980 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 03:02:56,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:56,983 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 130 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 [2022-11-23 03:02:56,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 130 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 03:02:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-23 03:02:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.186046511627907) internal successors, (51), 49 states have internal predecessors, (51), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 03:02:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2022-11-23 03:02:56,990 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 46 [2022-11-23 03:02:56,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:56,992 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2022-11-23 03:02:56,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-23 03:02:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2022-11-23 03:02:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-23 03:02:56,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:56,993 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:56,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 03:02:56,993 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2085155984, now seen corresponding path program 1 times [2022-11-23 03:02:56,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:56,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804790171] [2022-11-23 03:02:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:56,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 03:02:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 03:02:57,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:57,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804790171] [2022-11-23 03:02:57,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804790171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:57,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:57,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:57,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143515477] [2022-11-23 03:02:57,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:57,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:02:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:57,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:02:57,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:02:57,110 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-23 03:02:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:57,140 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2022-11-23 03:02:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:02:57,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 51 [2022-11-23 03:02:57,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:57,145 INFO L225 Difference]: With dead ends: 62 [2022-11-23 03:02:57,146 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 03:02:57,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:57,147 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:57,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 197 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 03:02:57,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-23 03:02:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 49 states have internal predecessors, (50), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 03:02:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-11-23 03:02:57,157 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 51 [2022-11-23 03:02:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:57,158 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-11-23 03:02:57,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-23 03:02:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-23 03:02:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 03:02:57,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:57,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:57,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 03:02:57,161 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:02:57,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash -213541358, now seen corresponding path program 1 times [2022-11-23 03:02:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:02:57,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123006819] [2022-11-23 03:02:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:02:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:02:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:02:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:02:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-23 03:02:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 03:02:57,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:02:57,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123006819] [2022-11-23 03:02:57,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123006819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:57,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:57,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:02:57,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673572945] [2022-11-23 03:02:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:57,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:02:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:02:57,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:02:57,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:57,285 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-23 03:02:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:57,289 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2022-11-23 03:02:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:02:57,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 52 [2022-11-23 03:02:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:57,290 INFO L225 Difference]: With dead ends: 60 [2022-11-23 03:02:57,290 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:02:57,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:02:57,292 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:57,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:02:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:02:57,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:02:57,293 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) [2022-11-23 03:02:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:02:57,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-11-23 03:02:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:57,294 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:02:57,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-23 03:02:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:02:57,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:02:57,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 03:02:57,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 03:02:57,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 03:02:57,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 03:02:57,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 03:02:57,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 03:02:57,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 03:02:57,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 03:02:57,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 03:02:57,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:02:57,456 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 03:02:57,456 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 03:02:57,456 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 03:02:57,457 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 03:02:57,457 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 03:02:57,457 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 03:02:57,457 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 03:02:57,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-11-23 03:02:57,458 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-11-23 03:02:57,458 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch92#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-23 03:02:57,458 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-11-23 03:02:57,458 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-23 03:02:57,458 INFO L895 garLoopResultBuilder]: At program point L1613(lines 1613 1630) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch100#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1676) no Hoare annotation was computed. [2022-11-23 03:02:57,459 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-11-23 03:02:57,459 INFO L895 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch97#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,459 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 1599 1606) no Hoare annotation was computed. [2022-11-23 03:02:57,460 INFO L902 garLoopResultBuilder]: At program point L1696(line 1696) the Hoare annotation is: true [2022-11-23 03:02:57,460 INFO L899 garLoopResultBuilder]: For program point L1696-1(line 1696) no Hoare annotation was computed. [2022-11-23 03:02:57,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2022-11-23 03:02:57,460 INFO L895 garLoopResultBuilder]: At program point L1663(lines 1663 1671) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:02:57,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:02:57,461 INFO L895 garLoopResultBuilder]: At program point L1655(line 1655) the Hoare annotation is: false [2022-11-23 03:02:57,461 INFO L899 garLoopResultBuilder]: For program point L1647(line 1647) no Hoare annotation was computed. [2022-11-23 03:02:57,461 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-23 03:02:57,461 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1589) no Hoare annotation was computed. [2022-11-23 03:02:57,462 INFO L902 garLoopResultBuilder]: At program point L1672(lines 1672 1684) the Hoare annotation is: true [2022-11-23 03:02:57,462 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: false [2022-11-23 03:02:57,462 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-23 03:02:57,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1579) no Hoare annotation was computed. [2022-11-23 03:02:57,462 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1631) no Hoare annotation was computed. [2022-11-23 03:02:57,463 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-11-23 03:02:57,463 INFO L899 garLoopResultBuilder]: For program point L1681(line 1681) no Hoare annotation was computed. [2022-11-23 03:02:57,463 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-23 03:02:57,463 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: false [2022-11-23 03:02:57,463 INFO L902 garLoopResultBuilder]: At program point L1698(line 1698) the Hoare annotation is: true [2022-11-23 03:02:57,463 INFO L899 garLoopResultBuilder]: For program point L1665(line 1665) no Hoare annotation was computed. [2022-11-23 03:02:57,464 INFO L899 garLoopResultBuilder]: For program point L1698-1(line 1698) no Hoare annotation was computed. [2022-11-23 03:02:57,464 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1658) no Hoare annotation was computed. [2022-11-23 03:02:57,464 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1606) no Hoare annotation was computed. [2022-11-23 03:02:57,464 INFO L895 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch100#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,464 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-11-23 03:02:57,465 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2022-11-23 03:02:57,465 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1625) no Hoare annotation was computed. [2022-11-23 03:02:57,465 INFO L899 garLoopResultBuilder]: For program point L1649-1(line 1649) no Hoare annotation was computed. [2022-11-23 03:02:57,465 INFO L899 garLoopResultBuilder]: For program point L1674(line 1674) no Hoare annotation was computed. [2022-11-23 03:02:57,465 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2022-11-23 03:02:57,465 INFO L902 garLoopResultBuilder]: At program point L1699(lines 1693 1700) the Hoare annotation is: true [2022-11-23 03:02:57,466 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-23 03:02:57,466 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-23 03:02:57,466 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-23 03:02:57,466 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-23 03:02:57,466 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:02:57,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1649) no Hoare annotation was computed. [2022-11-23 03:02:57,467 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1685) no Hoare annotation was computed. [2022-11-23 03:02:57,467 INFO L895 garLoopResultBuilder]: At program point L1651(line 1651) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch103#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,467 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-23 03:02:57,467 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-23 03:02:57,468 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-11-23 03:02:57,468 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1570) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch92#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-23 03:02:57,468 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-11-23 03:02:57,468 INFO L899 garLoopResultBuilder]: For program point L1676-1(line 1676) no Hoare annotation was computed. [2022-11-23 03:02:57,468 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: false [2022-11-23 03:02:57,469 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1586) no Hoare annotation was computed. [2022-11-23 03:02:57,469 INFO L899 garLoopResultBuilder]: For program point L1668(line 1668) no Hoare annotation was computed. [2022-11-23 03:02:57,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:02:57,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1649) no Hoare annotation was computed. [2022-11-23 03:02:57,469 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-23 03:02:57,470 INFO L895 garLoopResultBuilder]: At program point L1594(lines 1594 1612) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch97#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,470 INFO L895 garLoopResultBuilder]: At program point L1669(line 1669) the Hoare annotation is: false [2022-11-23 03:02:57,470 INFO L895 garLoopResultBuilder]: At program point L1636(lines 1636 1644) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) |ULTIMATE.start_goodG2B1_#t~switch102#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-11-23 03:02:57,471 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: false [2022-11-23 03:02:57,471 INFO L899 garLoopResultBuilder]: For program point L1686(lines 1686 1692) no Hoare annotation was computed. [2022-11-23 03:02:57,471 INFO L895 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch100#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,471 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-23 03:02:57,471 INFO L902 garLoopResultBuilder]: At program point L1678(line 1678) the Hoare annotation is: true [2022-11-23 03:02:57,472 INFO L895 garLoopResultBuilder]: At program point L1645(lines 1645 1657) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch103#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-11-23 03:02:57,472 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-23 03:02:57,472 INFO L899 garLoopResultBuilder]: For program point L1579-1(line 1579) no Hoare annotation was computed. [2022-11-23 03:02:57,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1676) no Hoare annotation was computed. [2022-11-23 03:02:57,472 INFO L895 garLoopResultBuilder]: At program point L1571(lines 1571 1588) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-11-23 03:02:57,476 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:57,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:02:57,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:02:57 BoogieIcfgContainer [2022-11-23 03:02:57,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:02:57,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:02:57,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:02:57,498 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:02:57,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:54" (3/4) ... [2022-11-23 03:02:57,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:02:57,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 03:02:57,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 03:02:57,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-23 03:02:57,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-23 03:02:57,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:02:57,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 03:02:57,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:02:57,568 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:02:57,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:02:57,569 INFO L158 Benchmark]: Toolchain (without parser) took 5589.74ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 138.7MB in the beginning and 146.1MB in the end (delta: -7.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,569 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:02:57,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.71ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 76.0MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.38ms. Allocated memory is still 176.2MB. Free memory was 76.0MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,570 INFO L158 Benchmark]: Boogie Preprocessor took 44.56ms. Allocated memory is still 176.2MB. Free memory was 72.6MB in the beginning and 70.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,570 INFO L158 Benchmark]: RCFGBuilder took 672.58ms. Allocated memory is still 176.2MB. Free memory was 70.3MB in the beginning and 131.5MB in the end (delta: -61.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,571 INFO L158 Benchmark]: TraceAbstraction took 3340.24ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 131.5MB in the beginning and 151.3MB in the end (delta: -19.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,571 INFO L158 Benchmark]: Witness Printer took 70.51ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 146.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 03:02:57,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.71ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 76.0MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.38ms. Allocated memory is still 176.2MB. Free memory was 76.0MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.56ms. Allocated memory is still 176.2MB. Free memory was 72.6MB in the beginning and 70.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.58ms. Allocated memory is still 176.2MB. Free memory was 70.3MB in the beginning and 131.5MB in the end (delta: -61.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3340.24ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 131.5MB in the beginning and 151.3MB in the end (delta: -19.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 70.51ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 146.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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, 83 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 2610 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1374 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1236 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 15 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 96 PreInvPairs, 114 NumberOfFragments, 163 HoareAnnotationTreeSize, 96 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 476 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 104/104 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: 1636]: Loop Invariant Derived loop invariant: ((2 == data && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = 2; break; }-aux) && 0 <= data + 2147483648) && 0 <= data + 2147483648 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: aux-switch(8) { case 7: printLine("Benign, fixed string"); break; default: if (data < 0x7fffffff) { data++; int result = data; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; }-aux && 0 <= data + 2147483648 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: (aux-switch(7) { case 7: if (data < 0x7fffffff) { data++; int result = data; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= data + 2147483648) && 0 <= data + 2147483648 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: (aux-switch(7) { case 7: { data++; int result = data; printIntLine(result); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= data + 2147483648) && 0 <= data + 2147483648 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: (aux-switch(6) { case 6: { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= data + 2147483648) && 0 <= data + 2147483648 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= data + 2147483648 - InvariantResult [Line: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: (0 <= data + 2147483648 && data == 2) && 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-23 03:02:57,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c0943f-88c3-4a18-868b-bfb6ca3fd7e0/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE