./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c135c129b0512b8d0e747aa7800563e7a802952067697a3d85fe40d124575e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:00,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:01,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:42:01,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:01,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:01,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:01,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:01,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:01,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:01,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:01,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:01,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:01,139 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:01,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:01,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:01,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:01,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:01,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:01,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:01,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:01,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:42:01,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:01,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:01,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:01,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:01,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:01,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:01,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:01,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:01,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:01,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:01,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:01,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:01,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:01,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:01,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:01,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:01,152 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:01,153 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c135c129b0512b8d0e747aa7800563e7a802952067697a3d85fe40d124575e2 [2023-11-19 07:42:01,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:01,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:01,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:01,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:01,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:01,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i [2023-11-19 07:42:04,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:05,042 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:05,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i [2023-11-19 07:42:05,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/data/6dfc838f1/21f8beea8c5e4ef5819b9f7a4b737b71/FLAG56f29d005 [2023-11-19 07:42:05,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/data/6dfc838f1/21f8beea8c5e4ef5819b9f7a4b737b71 [2023-11-19 07:42:05,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:05,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:05,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:05,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:05,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:05,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:05" (1/1) ... [2023-11-19 07:42:05,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d80b77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:05, skipping insertion in model container [2023-11-19 07:42:05,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:05" (1/1) ... [2023-11-19 07:42:05,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:05,671 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:42:06,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:06,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:06,370 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:42:06,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:06,690 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,690 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,690 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,690 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,691 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,691 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:06,699 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:06,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06 WrapperNode [2023-11-19 07:42:06,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:06,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:06,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:06,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:06,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,805 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2023-11-19 07:42:06,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:06,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:06,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:06,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:06,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:06,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:06,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:06,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:06,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (1/1) ... [2023-11-19 07:42:06,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:06,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:06,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:42:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:42:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 07:42:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:42:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:42:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:42:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:07,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:07,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:07,377 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:07,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:07,386 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:42:07,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:07 BoogieIcfgContainer [2023-11-19 07:42:07,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:07,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:07,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:07,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:07,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:05" (1/3) ... [2023-11-19 07:42:07,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dd0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:07, skipping insertion in model container [2023-11-19 07:42:07,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:06" (2/3) ... [2023-11-19 07:42:07,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dd0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:07, skipping insertion in model container [2023-11-19 07:42:07,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:07" (3/3) ... [2023-11-19 07:42:07,409 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_06_good.i [2023-11-19 07:42:07,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:07,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:42:07,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:07,486 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@407bb89a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:07,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:42:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5) internal successors, (63), 56 states have internal predecessors, (63), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:42:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:42:07,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:07,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:07,501 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)] === [2023-11-19 07:42:07,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash -674949286, now seen corresponding path program 1 times [2023-11-19 07:42:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526899106] [2023-11-19 07:42:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526899106] [2023-11-19 07:42:07,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526899106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:07,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735775608] [2023-11-19 07:42:07,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:07,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:07,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:07,957 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5) internal successors, (63), 56 states have internal predecessors, (63), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:08,018 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2023-11-19 07:42:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:08,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 07:42:08,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:08,030 INFO L225 Difference]: With dead ends: 120 [2023-11-19 07:42:08,030 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 07:42:08,034 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 [2023-11-19 07:42:08,038 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:08,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 67 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 07:42:08,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 07:42:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 47 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-11-19 07:42:08,088 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 12 [2023-11-19 07:42:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:08,090 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-11-19 07:42:08,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-19 07:42:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 07:42:08,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:08,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:08,093 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)] === [2023-11-19 07:42:08,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -385783105, now seen corresponding path program 1 times [2023-11-19 07:42:08,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431881667] [2023-11-19 07:42:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:08,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:08,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431881667] [2023-11-19 07:42:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431881667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:08,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:08,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264489391] [2023-11-19 07:42:08,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:08,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:08,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:08,258 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:08,308 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2023-11-19 07:42:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:08,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-19 07:42:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:08,311 INFO L225 Difference]: With dead ends: 96 [2023-11-19 07:42:08,312 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 07:42:08,313 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 [2023-11-19 07:42:08,315 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 8 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:08,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 112 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 07:42:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2023-11-19 07:42:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 48 states have internal predecessors, (50), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2023-11-19 07:42:08,330 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 14 [2023-11-19 07:42:08,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:08,331 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2023-11-19 07:42:08,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-19 07:42:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:42:08,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:08,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:08,333 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)] === [2023-11-19 07:42:08,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,334 INFO L85 PathProgramCache]: Analyzing trace with hash 925625704, now seen corresponding path program 1 times [2023-11-19 07:42:08,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350609457] [2023-11-19 07:42:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:08,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:08,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350609457] [2023-11-19 07:42:08,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350609457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:08,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:08,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:08,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684222377] [2023-11-19 07:42:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:08,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:08,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:08,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:08,478 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:08,518 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2023-11-19 07:42:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:08,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-19 07:42:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:08,520 INFO L225 Difference]: With dead ends: 56 [2023-11-19 07:42:08,523 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 07:42:08,524 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 [2023-11-19 07:42:08,525 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:08,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 105 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:08,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 07:42:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-19 07:42:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 47 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2023-11-19 07:42:08,545 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 15 [2023-11-19 07:42:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:08,551 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2023-11-19 07:42:08,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:42:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-19 07:42:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:42:08,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,553 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] [2023-11-19 07:42:08,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:42:08,554 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)] === [2023-11-19 07:42:08,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash 93483962, now seen corresponding path program 1 times [2023-11-19 07:42:08,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909969381] [2023-11-19 07:42:08,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:08,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:08,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909969381] [2023-11-19 07:42:08,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909969381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:08,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:08,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:08,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068379339] [2023-11-19 07:42:08,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:08,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:08,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:08,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:08,650 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:08,672 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2023-11-19 07:42:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:08,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-19 07:42:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:08,674 INFO L225 Difference]: With dead ends: 83 [2023-11-19 07:42:08,674 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:42:08,675 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 [2023-11-19 07:42:08,676 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:08,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 108 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:42:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2023-11-19 07:42:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 48 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2023-11-19 07:42:08,688 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 25 [2023-11-19 07:42:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:08,688 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2023-11-19 07:42:08,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2023-11-19 07:42:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:42:08,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,691 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:08,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:42:08,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:08,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1396964372, now seen corresponding path program 1 times [2023-11-19 07:42:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175204589] [2023-11-19 07:42:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:08,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175204589] [2023-11-19 07:42:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175204589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:08,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:08,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:08,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115816714] [2023-11-19 07:42:08,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:08,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:08,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:08,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:08,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:08,841 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:08,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:08,866 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2023-11-19 07:42:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:08,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-19 07:42:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:08,871 INFO L225 Difference]: With dead ends: 57 [2023-11-19 07:42:08,871 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 07:42:08,872 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 [2023-11-19 07:42:08,875 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 5 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:08,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 101 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 07:42:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 07:42:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 47 states have internal predecessors, (50), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2023-11-19 07:42:08,896 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 26 [2023-11-19 07:42:08,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:08,897 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2023-11-19 07:42:08,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-19 07:42:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:42:08,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:08,899 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:08,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:42:08,900 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:08,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash -67884049, now seen corresponding path program 1 times [2023-11-19 07:42:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:08,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947585189] [2023-11-19 07:42:08,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:08,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:42:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:42:09,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:09,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947585189] [2023-11-19 07:42:09,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947585189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:09,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:09,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:09,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612098560] [2023-11-19 07:42:09,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:09,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:09,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,020 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:42:09,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:09,033 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2023-11-19 07:42:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:09,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2023-11-19 07:42:09,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:09,035 INFO L225 Difference]: With dead ends: 56 [2023-11-19 07:42:09,035 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 07:42:09,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,036 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 106 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 [2023-11-19 07:42:09,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 106 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 07:42:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-19 07:42:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 46 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2023-11-19 07:42:09,045 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 33 [2023-11-19 07:42:09,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:09,045 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2023-11-19 07:42:09,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:42:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-19 07:42:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 07:42:09,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:09,047 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:09,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:42:09,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:09,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2104405393, now seen corresponding path program 1 times [2023-11-19 07:42:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:09,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632816487] [2023-11-19 07:42:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:42:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:42:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632816487] [2023-11-19 07:42:09,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632816487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:09,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:09,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:09,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592845685] [2023-11-19 07:42:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:09,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:09,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:09,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,124 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:42:09,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:09,135 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2023-11-19 07:42:09,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:09,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2023-11-19 07:42:09,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:09,137 INFO L225 Difference]: With dead ends: 55 [2023-11-19 07:42:09,137 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 07:42:09,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,138 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 106 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 [2023-11-19 07:42:09,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 07:42:09,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 07:42:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 45 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-11-19 07:42:09,146 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 34 [2023-11-19 07:42:09,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:09,147 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-11-19 07:42:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:42:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-19 07:42:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:42:09,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:09,149 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:09,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:42:09,149 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:09,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2004604566, now seen corresponding path program 1 times [2023-11-19 07:42:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334149919] [2023-11-19 07:42:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:42:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:42:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:42:09,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:09,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334149919] [2023-11-19 07:42:09,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334149919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:09,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:09,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:09,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549232606] [2023-11-19 07:42:09,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:09,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:09,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:09,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:09,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,233 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:09,242 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2023-11-19 07:42:09,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:09,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2023-11-19 07:42:09,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:09,243 INFO L225 Difference]: With dead ends: 54 [2023-11-19 07:42:09,243 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 07:42:09,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,245 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:09,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 07:42:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 07:42:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:42:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2023-11-19 07:42:09,253 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 43 [2023-11-19 07:42:09,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:09,253 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2023-11-19 07:42:09,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-19 07:42:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 07:42:09,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:09,256 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:09,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:42:09,256 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:09,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2013199547, now seen corresponding path program 1 times [2023-11-19 07:42:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:09,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848168183] [2023-11-19 07:42:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:42:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:42:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:42:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:42:09,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:09,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848168183] [2023-11-19 07:42:09,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848168183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:09,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:09,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:09,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563074345] [2023-11-19 07:42:09,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:09,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:09,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:09,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:09,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,340 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:09,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:09,348 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2023-11-19 07:42:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:09,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2023-11-19 07:42:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:09,349 INFO L225 Difference]: With dead ends: 53 [2023-11-19 07:42:09,349 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:42:09,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:09,351 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 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 [2023-11-19 07:42:09,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:42:09,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:42:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:42:09,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-11-19 07:42:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:09,354 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:42:09,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:42:09,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:42:09,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:42:09,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:42:09,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:42:09,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:42:09,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:42:09,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:42:09,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:42:09,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:42:09,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:42:09,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:42:09,421 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:42:09,421 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:42:09,422 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:42:09,422 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:42:09,422 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:42:09,422 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:42:09,422 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:42:09,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2023-11-19 07:42:09,423 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-19 07:42:09,423 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2023-11-19 07:42:09,423 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: false [2023-11-19 07:42:09,423 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed. [2023-11-19 07:42:09,424 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1614) no Hoare annotation was computed. [2023-11-19 07:42:09,424 INFO L899 garLoopResultBuilder]: For program point L1646(line 1646) no Hoare annotation was computed. [2023-11-19 07:42:09,424 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-19 07:42:09,424 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-19 07:42:09,424 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1549 1583) no Hoare annotation was computed. [2023-11-19 07:42:09,424 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1658 1665) no Hoare annotation was computed. [2023-11-19 07:42:09,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1646) no Hoare annotation was computed. [2023-11-19 07:42:09,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2023-11-19 07:42:09,425 INFO L895 garLoopResultBuilder]: At program point L1663(line 1663) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2023-11-19 07:42:09,425 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2023-11-19 07:42:09,425 INFO L899 garLoopResultBuilder]: For program point L1663-1(line 1663) no Hoare annotation was computed. [2023-11-19 07:42:09,425 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-19 07:42:09,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:42:09,426 INFO L895 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2023-11-19 07:42:09,426 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2023-11-19 07:42:09,426 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1642) no Hoare annotation was computed. [2023-11-19 07:42:09,426 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2023-11-19 07:42:09,426 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1581) no Hoare annotation was computed. [2023-11-19 07:42:09,427 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-11-19 07:42:09,427 INFO L899 garLoopResultBuilder]: For program point L1639-2(lines 1636 1650) no Hoare annotation was computed. [2023-11-19 07:42:09,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2023-11-19 07:42:09,427 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2023-11-19 07:42:09,427 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-19 07:42:09,428 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2023-11-19 07:42:09,428 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed. [2023-11-19 07:42:09,428 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2023-11-19 07:42:09,428 INFO L899 garLoopResultBuilder]: For program point L1615(lines 1615 1634) no Hoare annotation was computed. [2023-11-19 07:42:09,428 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:42:09,428 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-19 07:42:09,429 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-19 07:42:09,429 INFO L899 garLoopResultBuilder]: For program point L1575(line 1575) no Hoare annotation was computed. [2023-11-19 07:42:09,429 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-19 07:42:09,429 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed. [2023-11-19 07:42:09,429 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1614) no Hoare annotation was computed. [2023-11-19 07:42:09,429 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-19 07:42:09,430 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-19 07:42:09,430 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:42:09,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2023-11-19 07:42:09,430 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1657) no Hoare annotation was computed. [2023-11-19 07:42:09,430 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1650) no Hoare annotation was computed. [2023-11-19 07:42:09,431 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: false [2023-11-19 07:42:09,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:42:09,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2023-11-19 07:42:09,431 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1626) no Hoare annotation was computed. [2023-11-19 07:42:09,431 INFO L899 garLoopResultBuilder]: For program point L1619-1(lines 1616 1634) no Hoare annotation was computed. [2023-11-19 07:42:09,431 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1566) no Hoare annotation was computed. [2023-11-19 07:42:09,432 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1583) no Hoare annotation was computed. [2023-11-19 07:42:09,432 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-19 07:42:09,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2023-11-19 07:42:09,432 INFO L895 garLoopResultBuilder]: At program point L1661(line 1661) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2023-11-19 07:42:09,432 INFO L899 garLoopResultBuilder]: For program point L1661-1(line 1661) no Hoare annotation was computed. [2023-11-19 07:42:09,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1646) no Hoare annotation was computed. [2023-11-19 07:42:09,433 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1612) no Hoare annotation was computed. [2023-11-19 07:42:09,436 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:09,438 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:42:09,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:09 BoogieIcfgContainer [2023-11-19 07:42:09,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:42:09,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:42:09,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:42:09,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:42:09,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:07" (3/4) ... [2023-11-19 07:42:09,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:42:09,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:42:09,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:42:09,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 07:42:09,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:42:09,458 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:42:09,458 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:42:09,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:42:09,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:42:09,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:42:09,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:42:09,551 INFO L158 Benchmark]: Toolchain (without parser) took 4444.32ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 93.1MB in the beginning and 56.7MB in the end (delta: 36.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,552 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:09,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.64ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 92.7MB in the beginning and 103.6MB in the end (delta: -10.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.73ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,553 INFO L158 Benchmark]: Boogie Preprocessor took 65.39ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,554 INFO L158 Benchmark]: RCFGBuilder took 519.70ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 81.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,554 INFO L158 Benchmark]: TraceAbstraction took 2045.99ms. Allocated memory is still 169.9MB. Free memory was 81.5MB in the beginning and 63.0MB in the end (delta: 18.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,554 INFO L158 Benchmark]: Witness Printer took 107.27ms. Allocated memory is still 169.9MB. Free memory was 63.0MB in the beginning and 56.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:42:09,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.64ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 92.7MB in the beginning and 103.6MB in the end (delta: -10.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.73ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.39ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.70ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 81.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2045.99ms. Allocated memory is still 169.9MB. Free memory was 81.5MB in the beginning and 63.0MB in the end (delta: 18.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 107.27ms. Allocated memory is still 169.9MB. Free memory was 63.0MB in the beginning and 56.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: 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, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 919 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 525 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 84 HoareAnnotationTreeSize, 39 FomulaSimplifications, 5 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:42:09,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce21945-4fae-4cdb-a1e1-7146d08c68a7/bin/uautomizer-verify-uCwYo4JHxu/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