./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a --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 c09d8db401c76bc45399a42e4f3d779f4b1d32f8b1e8b2f4060c317b19c9f2ef --- 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-b5237d8 [2022-11-21 14:04:03,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:04:03,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:04:03,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:04:03,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:04:03,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:04:03,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:04:03,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:04:03,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:04:03,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:04:03,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:04:03,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:04:03,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:04:03,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:04:03,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:04:03,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:04:03,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:04:03,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:04:03,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:04:03,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:04:03,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:04:03,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:04:03,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:04:03,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:04:03,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:04:03,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:04:03,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:04:03,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:04:03,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:04:03,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:04:03,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:04:03,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:04:03,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:04:03,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:04:03,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:04:03,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:04:03,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:04:03,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:04:03,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:04:03,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:04:03,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:04:03,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 14:04:03,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:04:03,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:04:03,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:04:03,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:04:03,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:04:03,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:04:03,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:04:03,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:04:03,457 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:04:03,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:04:03,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 14:04:03,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:04:03,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:04:03,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:04:03,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:04:03,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:04:03,465 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 14:04:03,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:04:03,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:04:03,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:04:03,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:04:03,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:04:03,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:04:03,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:04:03,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:04:03,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:04:03,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:04:03,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:04:03,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:04:03,470 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:04:03,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:04:03,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:04:03,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c09d8db401c76bc45399a42e4f3d779f4b1d32f8b1e8b2f4060c317b19c9f2ef [2022-11-21 14:04:03,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:04:03,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:04:03,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:04:03,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:04:03,841 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:04:03,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-21 14:04:07,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:04:08,207 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:04:08,212 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-21 14:04:08,251 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/data/75a242064/95664ce2e507411a9e06c0fbf60facec/FLAGbe5256485 [2022-11-21 14:04:08,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/data/75a242064/95664ce2e507411a9e06c0fbf60facec [2022-11-21 14:04:08,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:04:08,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:04:08,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:04:08,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:04:08,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:04:08,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:04:08" (1/1) ... [2022-11-21 14:04:08,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f78535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:08, skipping insertion in model container [2022-11-21 14:04:08,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:04:08" (1/1) ... [2022-11-21 14:04:08,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:04:08,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:04:08,803 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 14:04:09,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:04:09,569 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:04:09,593 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 14:04:09,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:04:09,874 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:04:09,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09 WrapperNode [2022-11-21 14:04:09,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:04:09,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:04:09,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:04:09,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:04:09,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:09,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:09,998 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2022-11-21 14:04:09,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:04:10,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:04:10,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:04:10,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:04:10,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:04:10,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:04:10,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:04:10,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:04:10,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (1/1) ... [2022-11-21 14:04:10,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:04:10,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:04:10,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:04:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:04:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 14:04:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 14:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 14:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 14:04:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 14:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 14:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:04:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 14:04:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:04:10,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:04:10,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:04:10,870 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:04:10,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:04:10,879 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 14:04:10,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:04:10 BoogieIcfgContainer [2022-11-21 14:04:10,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:04:10,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:04:10,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:04:10,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:04:10,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:04:08" (1/3) ... [2022-11-21 14:04:10,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd487c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:04:10, skipping insertion in model container [2022-11-21 14:04:10,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:04:09" (2/3) ... [2022-11-21 14:04:10,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd487c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:04:10, skipping insertion in model container [2022-11-21 14:04:10,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:04:10" (3/3) ... [2022-11-21 14:04:10,893 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-21 14:04:10,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:04:10,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-21 14:04:10,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:04:10,990 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;@313e6a60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:04:10,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-21 14:04:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 82 states have internal predecessors, (91), 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) [2022-11-21 14:04:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 14:04:11,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:11,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:11,008 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)] === [2022-11-21 14:04:11,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1805644796, now seen corresponding path program 1 times [2022-11-21 14:04:11,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:11,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739294006] [2022-11-21 14:04:11,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:11,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:11,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739294006] [2022-11-21 14:04:11,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739294006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:11,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:11,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:11,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884908127] [2022-11-21 14:04:11,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:11,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:11,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:11,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:11,439 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 82 states have internal predecessors, (91), 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 4.666666666666667) internal successors, (14), 3 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) [2022-11-21 14:04:11,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:11,494 INFO L93 Difference]: Finished difference Result 164 states and 238 transitions. [2022-11-21 14:04:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:11,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 [2022-11-21 14:04:11,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:11,508 INFO L225 Difference]: With dead ends: 164 [2022-11-21 14:04:11,509 INFO L226 Difference]: Without dead ends: 74 [2022-11-21 14:04:11,513 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 [2022-11-21 14:04:11,517 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 4 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 236 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 [2022-11-21 14:04:11,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 236 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:11,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-21 14:04:11,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-21 14:04:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.54) internal successors, (77), 70 states have internal predecessors, (77), 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) [2022-11-21 14:04:11,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2022-11-21 14:04:11,617 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 16 [2022-11-21 14:04:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:11,619 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2022-11-21 14:04:11,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-11-21 14:04:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2022-11-21 14:04:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 14:04:11,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:11,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:11,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:04:11,623 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)] === [2022-11-21 14:04:11,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash -887176180, now seen corresponding path program 1 times [2022-11-21 14:04:11,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:11,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573006836] [2022-11-21 14:04:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:11,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:11,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:11,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573006836] [2022-11-21 14:04:11,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573006836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:11,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:11,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:11,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175821199] [2022-11-21 14:04:11,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:11,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:11,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:11,835 INFO L87 Difference]: Start difference. First operand 74 states and 105 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) [2022-11-21 14:04:11,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:11,893 INFO L93 Difference]: Finished difference Result 183 states and 263 transitions. [2022-11-21 14:04:11,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:11,894 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 [2022-11-21 14:04:11,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:11,898 INFO L225 Difference]: With dead ends: 183 [2022-11-21 14:04:11,898 INFO L226 Difference]: Without dead ends: 127 [2022-11-21 14:04:11,899 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 [2022-11-21 14:04:11,901 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 63 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:11,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 279 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-21 14:04:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 79. [2022-11-21 14:04:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 74 states have internal predecessors, (85), 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) [2022-11-21 14:04:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2022-11-21 14:04:11,924 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 113 transitions. Word has length 17 [2022-11-21 14:04:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:11,925 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 113 transitions. [2022-11-21 14:04:11,926 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) [2022-11-21 14:04:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2022-11-21 14:04:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 14:04:11,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:11,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:11,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:04:11,933 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)] === [2022-11-21 14:04:11,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:11,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1732657720, now seen corresponding path program 1 times [2022-11-21 14:04:11,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:11,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250072077] [2022-11-21 14:04:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250072077] [2022-11-21 14:04:12,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250072077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:12,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255748337] [2022-11-21 14:04:12,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,160 INFO L87 Difference]: Start difference. First operand 79 states and 113 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-21 14:04:12,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,209 INFO L93 Difference]: Finished difference Result 126 states and 182 transitions. [2022-11-21 14:04:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2022-11-21 14:04:12,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,212 INFO L225 Difference]: With dead ends: 126 [2022-11-21 14:04:12,213 INFO L226 Difference]: Without dead ends: 125 [2022-11-21 14:04:12,213 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 [2022-11-21 14:04:12,215 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 53 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:12,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 270 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-21 14:04:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 78. [2022-11-21 14:04:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.5) internal successors, (84), 73 states have internal predecessors, (84), 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) [2022-11-21 14:04:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2022-11-21 14:04:12,230 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 18 [2022-11-21 14:04:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,231 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2022-11-21 14:04:12,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-21 14:04:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2022-11-21 14:04:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 14:04:12,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,233 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, 1] [2022-11-21 14:04:12,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:04:12,234 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)] === [2022-11-21 14:04:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1844364477, now seen corresponding path program 1 times [2022-11-21 14:04:12,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117604810] [2022-11-21 14:04:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:12,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117604810] [2022-11-21 14:04:12,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117604810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:12,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441318303] [2022-11-21 14:04:12,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,307 INFO L87 Difference]: Start difference. First operand 78 states and 112 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, (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) [2022-11-21 14:04:12,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,345 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions. [2022-11-21 14:04:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,346 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, (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 23 [2022-11-21 14:04:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,349 INFO L225 Difference]: With dead ends: 132 [2022-11-21 14:04:12,352 INFO L226 Difference]: Without dead ends: 78 [2022-11-21 14:04:12,353 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 [2022-11-21 14:04:12,356 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 7 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 188 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 [2022-11-21 14:04:12,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 188 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-21 14:04:12,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-21 14:04:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 73 states have internal predecessors, (82), 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) [2022-11-21 14:04:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2022-11-21 14:04:12,391 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 23 [2022-11-21 14:04:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,392 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2022-11-21 14:04:12,392 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, (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) [2022-11-21 14:04:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2022-11-21 14:04:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 14:04:12,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,395 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, 1, 1] [2022-11-21 14:04:12,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:04:12,395 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)] === [2022-11-21 14:04:12,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,397 INFO L85 PathProgramCache]: Analyzing trace with hash 950648188, now seen corresponding path program 1 times [2022-11-21 14:04:12,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764466378] [2022-11-21 14:04:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:12,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764466378] [2022-11-21 14:04:12,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764466378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:12,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648809700] [2022-11-21 14:04:12,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,558 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-21 14:04:12,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,596 INFO L93 Difference]: Finished difference Result 124 states and 172 transitions. [2022-11-21 14:04:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 24 [2022-11-21 14:04:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,599 INFO L225 Difference]: With dead ends: 124 [2022-11-21 14:04:12,599 INFO L226 Difference]: Without dead ends: 76 [2022-11-21 14:04:12,600 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 [2022-11-21 14:04:12,607 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 4 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 186 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 [2022-11-21 14:04:12,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 186 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-21 14:04:12,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-21 14:04:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 71 states have internal predecessors, (79), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 14:04:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2022-11-21 14:04:12,620 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 24 [2022-11-21 14:04:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,621 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2022-11-21 14:04:12,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-21 14:04:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2022-11-21 14:04:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 14:04:12,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,623 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, 1, 1, 1] [2022-11-21 14:04:12,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:04:12,624 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)] === [2022-11-21 14:04:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,625 INFO L85 PathProgramCache]: Analyzing trace with hash 215288364, now seen corresponding path program 1 times [2022-11-21 14:04:12,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334280952] [2022-11-21 14:04:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:12,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334280952] [2022-11-21 14:04:12,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334280952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:12,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562094112] [2022-11-21 14:04:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,714 INFO L87 Difference]: Start difference. First operand 76 states and 105 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, (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) [2022-11-21 14:04:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,747 INFO L93 Difference]: Finished difference Result 145 states and 199 transitions. [2022-11-21 14:04:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,748 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, (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 25 [2022-11-21 14:04:12,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,750 INFO L225 Difference]: With dead ends: 145 [2022-11-21 14:04:12,750 INFO L226 Difference]: Without dead ends: 109 [2022-11-21 14:04:12,751 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 [2022-11-21 14:04:12,752 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 41 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:12,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 226 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-21 14:04:12,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 80. [2022-11-21 14:04:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 74 states have internal predecessors, (85), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 14:04:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 111 transitions. [2022-11-21 14:04:12,765 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 111 transitions. Word has length 25 [2022-11-21 14:04:12,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,766 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 111 transitions. [2022-11-21 14:04:12,766 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, (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) [2022-11-21 14:04:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2022-11-21 14:04:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 14:04:12,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,769 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, 1, 1, 1, 1] [2022-11-21 14:04:12,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:04:12,769 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 14:04:12,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1915995176, now seen corresponding path program 1 times [2022-11-21 14:04:12,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776545563] [2022-11-21 14:04:12,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:12,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776545563] [2022-11-21 14:04:12,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776545563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403919514] [2022-11-21 14:04:12,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,859 INFO L87 Difference]: Start difference. First operand 80 states and 111 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 14:04:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,880 INFO L93 Difference]: Finished difference Result 107 states and 148 transitions. [2022-11-21 14:04:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 26 [2022-11-21 14:04:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,883 INFO L225 Difference]: With dead ends: 107 [2022-11-21 14:04:12,884 INFO L226 Difference]: Without dead ends: 106 [2022-11-21 14:04:12,884 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 [2022-11-21 14:04:12,885 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 31 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:12,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 217 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-21 14:04:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 79. [2022-11-21 14:04:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.4) internal successors, (84), 73 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 14:04:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2022-11-21 14:04:12,897 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 26 [2022-11-21 14:04:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2022-11-21 14:04:12,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 14:04:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2022-11-21 14:04:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 14:04:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:12,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:04:12,902 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 14:04:12,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1724220151, now seen corresponding path program 1 times [2022-11-21 14:04:12,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733051887] [2022-11-21 14:04:12,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:12,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:12,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:12,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733051887] [2022-11-21 14:04:12,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733051887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:12,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:12,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:12,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561235329] [2022-11-21 14:04:12,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:12,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:12,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:12,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:12,970 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-21 14:04:12,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:12,981 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2022-11-21 14:04:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:12,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-11-21 14:04:12,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:12,983 INFO L225 Difference]: With dead ends: 113 [2022-11-21 14:04:12,984 INFO L226 Difference]: Without dead ends: 77 [2022-11-21 14:04:12,984 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 [2022-11-21 14:04:12,985 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 7 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 167 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 [2022-11-21 14:04:12,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 167 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:12,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-21 14:04:12,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-21 14:04:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 71 states have internal predecessors, (80), 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) [2022-11-21 14:04:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2022-11-21 14:04:12,994 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 31 [2022-11-21 14:04:12,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:12,995 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2022-11-21 14:04:12,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-21 14:04:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2022-11-21 14:04:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 14:04:12,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:12,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:12,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:04:12,998 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)] === [2022-11-21 14:04:12,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:12,999 INFO L85 PathProgramCache]: Analyzing trace with hash 446743938, now seen corresponding path program 1 times [2022-11-21 14:04:12,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:12,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484988421] [2022-11-21 14:04:12,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484988421] [2022-11-21 14:04:13,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484988421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212226029] [2022-11-21 14:04:13,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,080 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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) [2022-11-21 14:04:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,105 INFO L93 Difference]: Finished difference Result 115 states and 151 transitions. [2022-11-21 14:04:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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 31 [2022-11-21 14:04:13,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,108 INFO L225 Difference]: With dead ends: 115 [2022-11-21 14:04:13,108 INFO L226 Difference]: Without dead ends: 97 [2022-11-21 14:04:13,109 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 [2022-11-21 14:04:13,110 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:13,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 172 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-21 14:04:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 82. [2022-11-21 14:04:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.34375) internal successors, (86), 76 states have internal predecessors, (86), 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) [2022-11-21 14:04:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2022-11-21 14:04:13,118 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 31 [2022-11-21 14:04:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,119 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2022-11-21 14:04:13,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (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) [2022-11-21 14:04:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2022-11-21 14:04:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 14:04:13,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:04:13,121 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)] === [2022-11-21 14:04:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash 448590980, now seen corresponding path program 1 times [2022-11-21 14:04:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300158642] [2022-11-21 14:04:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:13,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300158642] [2022-11-21 14:04:13,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300158642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:13,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446838325] [2022-11-21 14:04:13,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,179 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-21 14:04:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,191 INFO L93 Difference]: Finished difference Result 111 states and 145 transitions. [2022-11-21 14:04:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-11-21 14:04:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,193 INFO L225 Difference]: With dead ends: 111 [2022-11-21 14:04:13,193 INFO L226 Difference]: Without dead ends: 82 [2022-11-21 14:04:13,194 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 [2022-11-21 14:04:13,195 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 171 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 [2022-11-21 14:04:13,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-21 14:04:13,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-21 14:04:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.328125) internal successors, (85), 75 states have internal predecessors, (85), 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) [2022-11-21 14:04:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2022-11-21 14:04:13,204 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 31 [2022-11-21 14:04:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,205 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2022-11-21 14:04:13,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-21 14:04:13,206 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2022-11-21 14:04:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 14:04:13,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,207 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] [2022-11-21 14:04:13,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 14:04:13,208 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)] === [2022-11-21 14:04:13,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1764940789, now seen corresponding path program 1 times [2022-11-21 14:04:13,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770284547] [2022-11-21 14:04:13,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:04:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 14:04:13,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770284547] [2022-11-21 14:04:13,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770284547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:13,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247352485] [2022-11-21 14:04:13,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,275 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-21 14:04:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,285 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2022-11-21 14:04:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,286 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), 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 35 [2022-11-21 14:04:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,287 INFO L225 Difference]: With dead ends: 104 [2022-11-21 14:04:13,300 INFO L226 Difference]: Without dead ends: 74 [2022-11-21 14:04:13,301 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 [2022-11-21 14:04:13,302 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 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 [2022-11-21 14:04:13,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-21 14:04:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-21 14:04:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 59 states have (on average 1.271186440677966) internal successors, (75), 68 states have internal predecessors, (75), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-21 14:04:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2022-11-21 14:04:13,310 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 35 [2022-11-21 14:04:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,311 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2022-11-21 14:04:13,311 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), 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) [2022-11-21 14:04:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-11-21 14:04:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 14:04:13,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 14:04:13,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-21 14:04:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1343131255, now seen corresponding path program 1 times [2022-11-21 14:04:13,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447933182] [2022-11-21 14:04:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:13,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447933182] [2022-11-21 14:04:13,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447933182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306514190] [2022-11-21 14:04:13,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,378 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-21 14:04:13,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,388 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2022-11-21 14:04:13,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 37 [2022-11-21 14:04:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,391 INFO L225 Difference]: With dead ends: 90 [2022-11-21 14:04:13,391 INFO L226 Difference]: Without dead ends: 72 [2022-11-21 14:04:13,391 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 [2022-11-21 14:04:13,392 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 147 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 [2022-11-21 14:04:13,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 147 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-21 14:04:13,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-21 14:04:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 65 states have internal predecessors, (72), 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) [2022-11-21 14:04:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-21 14:04:13,399 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 37 [2022-11-21 14:04:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,399 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-21 14:04:13,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-21 14:04:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-21 14:04:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 14:04:13,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 14:04:13,402 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)] === [2022-11-21 14:04:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1303942856, now seen corresponding path program 1 times [2022-11-21 14:04:13,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722019212] [2022-11-21 14:04:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 14:04:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:13,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722019212] [2022-11-21 14:04:13,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722019212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:04:13,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503541584] [2022-11-21 14:04:13,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,485 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-21 14:04:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,502 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2022-11-21 14:04:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 43 [2022-11-21 14:04:13,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,504 INFO L225 Difference]: With dead ends: 79 [2022-11-21 14:04:13,504 INFO L226 Difference]: Without dead ends: 72 [2022-11-21 14:04:13,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,505 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:13,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-21 14:04:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-21 14:04:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 65 states have internal predecessors, (71), 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) [2022-11-21 14:04:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-11-21 14:04:13,512 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 43 [2022-11-21 14:04:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,512 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-21 14:04:13,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-21 14:04:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-11-21 14:04:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 14:04:13,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:13,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 14:04:13,515 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)] === [2022-11-21 14:04:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:13,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1712203718, now seen corresponding path program 1 times [2022-11-21 14:04:13,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:13,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843331067] [2022-11-21 14:04:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 14:04:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:04:13,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:13,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843331067] [2022-11-21 14:04:13,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843331067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:13,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:13,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:04:13,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428756261] [2022-11-21 14:04:13,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:13,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:04:13,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:04:13,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:04:13,586 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-21 14:04:13,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:13,593 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2022-11-21 14:04:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:04:13,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 44 [2022-11-21 14:04:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:13,594 INFO L225 Difference]: With dead ends: 76 [2022-11-21 14:04:13,594 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 14:04:13,596 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 [2022-11-21 14:04:13,597 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 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 [2022-11-21 14:04:13,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:04:13,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 14:04:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 14:04:13,600 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) [2022-11-21 14:04:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 14:04:13,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-11-21 14:04:13,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:13,601 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 14:04:13,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-21 14:04:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 14:04:13,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 14:04:13,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-21 14:04:13,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-21 14:04:13,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-21 14:04:13,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-21 14:04:13,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-21 14:04:13,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-21 14:04:13,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-21 14:04:13,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-21 14:04:13,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 14:04:13,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 14:04:13,731 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-21 14:04:13,732 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 14:04:13,732 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-21 14:04:13,732 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 14:04:13,732 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 14:04:13,733 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-21 14:04:13,733 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 14:04:13,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-21 14:04:13,733 INFO L895 garLoopResultBuilder]: At program point L1596(lines 1596 1614) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch96#1| [2022-11-21 14:04:13,734 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) |ULTIMATE.start_goodB2G1_#t~switch92#1|) [2022-11-21 14:04:13,734 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-11-21 14:04:13,734 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-21 14:04:13,734 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2022-11-21 14:04:13,734 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1683) no Hoare annotation was computed. [2022-11-21 14:04:13,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1681) no Hoare annotation was computed. [2022-11-21 14:04:13,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-21 14:04:13,735 INFO L899 garLoopResultBuilder]: For program point L1663(lines 1663 1689) no Hoare annotation was computed. [2022-11-21 14:04:13,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 14:04:13,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 14:04:13,736 INFO L895 garLoopResultBuilder]: At program point L1655(line 1655) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch101#1| [2022-11-21 14:04:13,736 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-11-21 14:04:13,737 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2022-11-21 14:04:13,738 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2022-11-21 14:04:13,738 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-11-21 14:04:13,738 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1591) no Hoare annotation was computed. [2022-11-21 14:04:13,739 INFO L899 garLoopResultBuilder]: For program point L1672(line 1672) no Hoare annotation was computed. [2022-11-21 14:04:13,739 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-21 14:04:13,739 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-21 14:04:13,739 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-21 14:04:13,739 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2022-11-21 14:04:13,740 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2022-11-21 14:04:13,740 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-11-21 14:04:13,740 INFO L899 garLoopResultBuilder]: For program point L1681(line 1681) no Hoare annotation was computed. [2022-11-21 14:04:13,741 INFO L899 garLoopResultBuilder]: For program point L1681-1(line 1681) no Hoare annotation was computed. [2022-11-21 14:04:13,741 INFO L895 garLoopResultBuilder]: At program point L1615(lines 1615 1634) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch99#1| [2022-11-21 14:04:13,741 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-21 14:04:13,742 INFO L895 garLoopResultBuilder]: At program point L1673(line 1673) the Hoare annotation is: false [2022-11-21 14:04:13,742 INFO L895 garLoopResultBuilder]: At program point L1640(lines 1640 1648) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) |ULTIMATE.start_goodG2B1_#t~switch100#1|) [2022-11-21 14:04:13,743 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch96#1| (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2022-11-21 14:04:13,743 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch95#1| [2022-11-21 14:04:13,743 INFO L899 garLoopResultBuilder]: For program point L1607-1(lines 1601 1608) no Hoare annotation was computed. [2022-11-21 14:04:13,743 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: false [2022-11-21 14:04:13,743 INFO L899 garLoopResultBuilder]: For program point L1690(lines 1690 1696) no Hoare annotation was computed. [2022-11-21 14:04:13,744 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-11-21 14:04:13,744 INFO L895 garLoopResultBuilder]: At program point L1649(lines 1649 1661) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch101#1| [2022-11-21 14:04:13,744 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-21 14:04:13,744 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2022-11-21 14:04:13,744 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1635) no Hoare annotation was computed. [2022-11-21 14:04:13,745 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-21 14:04:13,745 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-21 14:04:13,745 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-21 14:04:13,745 INFO L902 garLoopResultBuilder]: At program point L1700(line 1700) the Hoare annotation is: true [2022-11-21 14:04:13,745 INFO L899 garLoopResultBuilder]: For program point L1700-1(line 1700) no Hoare annotation was computed. [2022-11-21 14:04:13,746 INFO L895 garLoopResultBuilder]: At program point L1667(lines 1667 1675) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) [2022-11-21 14:04:13,746 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-11-21 14:04:13,746 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-21 14:04:13,746 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 14:04:13,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-21 14:04:13,747 INFO L895 garLoopResultBuilder]: At program point L1659(line 1659) the Hoare annotation is: false [2022-11-21 14:04:13,747 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-21 14:04:13,747 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1629) no Hoare annotation was computed. [2022-11-21 14:04:13,747 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1570) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch92#1| [2022-11-21 14:04:13,748 INFO L902 garLoopResultBuilder]: At program point L1676(lines 1676 1688) the Hoare annotation is: true [2022-11-21 14:04:13,748 INFO L895 garLoopResultBuilder]: At program point L1643(line 1643) the Hoare annotation is: false [2022-11-21 14:04:13,748 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1588) no Hoare annotation was computed. [2022-11-21 14:04:13,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 14:04:13,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-21 14:04:13,749 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-21 14:04:13,749 INFO L899 garLoopResultBuilder]: For program point L1685(line 1685) no Hoare annotation was computed. [2022-11-21 14:04:13,749 INFO L899 garLoopResultBuilder]: For program point L1652(lines 1652 1656) no Hoare annotation was computed. [2022-11-21 14:04:13,749 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-21 14:04:13,750 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-21 14:04:13,751 INFO L902 garLoopResultBuilder]: At program point L1702(line 1702) the Hoare annotation is: true [2022-11-21 14:04:13,751 INFO L899 garLoopResultBuilder]: For program point L1669(line 1669) no Hoare annotation was computed. [2022-11-21 14:04:13,751 INFO L899 garLoopResultBuilder]: For program point L1702-1(line 1702) no Hoare annotation was computed. [2022-11-21 14:04:13,752 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1662) no Hoare annotation was computed. [2022-11-21 14:04:13,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-21 14:04:13,752 INFO L902 garLoopResultBuilder]: At program point L1686(line 1686) the Hoare annotation is: true [2022-11-21 14:04:13,752 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1628) no Hoare annotation was computed. [2022-11-21 14:04:13,753 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-21 14:04:13,753 INFO L899 garLoopResultBuilder]: For program point L1678(line 1678) no Hoare annotation was computed. [2022-11-21 14:04:13,753 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-21 14:04:13,754 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: false [2022-11-21 14:04:13,754 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1587) no Hoare annotation was computed. [2022-11-21 14:04:13,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1681) no Hoare annotation was computed. [2022-11-21 14:04:13,757 INFO L902 garLoopResultBuilder]: At program point L1703(lines 1697 1704) the Hoare annotation is: true [2022-11-21 14:04:13,757 INFO L895 garLoopResultBuilder]: At program point L1571(lines 1571 1590) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch95#1| [2022-11-21 14:04:13,762 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:13,765 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 14:04:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:04:13 BoogieIcfgContainer [2022-11-21 14:04:13,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 14:04:13,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 14:04:13,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 14:04:13,787 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 14:04:13,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:04:10" (3/4) ... [2022-11-21 14:04:13,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 14:04:13,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 14:04:13,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 14:04:13,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-21 14:04:13,814 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 14:04:13,814 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 14:04:13,815 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 14:04:13,815 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 14:04:13,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 14:04:13,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 14:04:13,909 INFO L158 Benchmark]: Toolchain (without parser) took 5637.27ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 130.7MB in the beginning and 115.1MB in the end (delta: 15.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,909 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:04:13,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1602.59ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 67.1MB in the end (delta: 63.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.21ms. Allocated memory is still 165.7MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,911 INFO L158 Benchmark]: Boogie Preprocessor took 77.63ms. Allocated memory is still 165.7MB. Free memory was 63.9MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,911 INFO L158 Benchmark]: RCFGBuilder took 804.00ms. Allocated memory is still 165.7MB. Free memory was 61.9MB in the beginning and 118.1MB in the end (delta: -56.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,912 INFO L158 Benchmark]: TraceAbstraction took 2901.34ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 117.1MB in the beginning and 120.3MB in the end (delta: -3.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,912 INFO L158 Benchmark]: Witness Printer took 121.28ms. Allocated memory is still 211.8MB. Free memory was 119.2MB in the beginning and 115.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 14:04:13,915 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 121.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1602.59ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 67.1MB in the end (delta: 63.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.21ms. Allocated memory is still 165.7MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.63ms. Allocated memory is still 165.7MB. Free memory was 63.9MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 804.00ms. Allocated memory is still 165.7MB. Free memory was 61.9MB in the beginning and 118.1MB in the end (delta: -56.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2901.34ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 117.1MB in the beginning and 120.3MB in the end (delta: -3.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Witness Printer took 121.28ms. Allocated memory is still 211.8MB. Free memory was 119.2MB in the beginning and 115.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1681]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1681]: 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, 87 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 2699 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1201 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1498 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 14 MinimizatonAttempts, 166 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 103 PreInvPairs, 124 NumberOfFragments, 65 HoareAnnotationTreeSize, 103 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4/4 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: 1596]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1640]: Loop Invariant Derived loop invariant: 2 == data && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = 2; break; }-aux - InvariantResult [Line: 1697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1667]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1615]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-21 14:04:13,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81aff793-ef17-48ce-bcef-b3db7333e330/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE