./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d178c446d2c3b22c32b7cec7ef2101ff0c96cdb21111ec3fbe2f2e6f2308ec3c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:41:11,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:41:11,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:41:11,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:41:11,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:41:11,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:41:11,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:41:11,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:41:11,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:41:11,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:41:11,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:41:11,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:41:11,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:41:11,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:41:11,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:41:11,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:41:11,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:41:11,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:41:11,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:41:11,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:41:11,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:41:11,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:41:11,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:41:11,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:41:11,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:41:11,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:41:11,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:41:11,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:41:11,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:41:11,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:41:11,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:41:11,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:41:11,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:41:11,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:41:11,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:41:11,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:41:11,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:41:11,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:41:11,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:41:11,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:41:11,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:41:11,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 19:41:11,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:41:11,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:41:11,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:41:11,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:41:11,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:41:11,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:41:11,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:41:11,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:41:11,913 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:41:11,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:41:11,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:41:11,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:41:11,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:41:11,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:41:11,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:41:11,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:41:11,915 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:41:11,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:41:11,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:41:11,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:41:11,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:41:11,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:41:11,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:41:11,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:41:11,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:41:11,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:41:11,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:41:11,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:41:11,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:41:11,918 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:41:11,919 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:41:11,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:41:11,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d178c446d2c3b22c32b7cec7ef2101ff0c96cdb21111ec3fbe2f2e6f2308ec3c [2022-11-18 19:41:12,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:41:12,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:41:12,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:41:12,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:41:12,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:41:12,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i [2022-11-18 19:41:12,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/data/d47db1e1d/4bb26163cf614f6eab53cb8e88da9817/FLAGb1d309fea [2022-11-18 19:41:13,294 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:41:13,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_07_good.i [2022-11-18 19:41:13,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/data/d47db1e1d/4bb26163cf614f6eab53cb8e88da9817/FLAGb1d309fea [2022-11-18 19:41:13,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/data/d47db1e1d/4bb26163cf614f6eab53cb8e88da9817 [2022-11-18 19:41:13,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:41:13,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:41:13,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:41:13,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:41:13,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:41:13,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:13" (1/1) ... [2022-11-18 19:41:13,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336413a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:13, skipping insertion in model container [2022-11-18 19:41:13,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:13" (1/1) ... [2022-11-18 19:41:13,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:41:13,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:41:14,042 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 19:41:14,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:41:14,755 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:41:14,778 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 19:41:14,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:41:14,972 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:41:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14 WrapperNode [2022-11-18 19:41:14,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:41:14,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:41:14,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:41:14,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:41:14,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,051 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-11-18 19:41:15,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:41:15,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:41:15,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:41:15,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:41:15,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:41:15,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:41:15,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:41:15,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:41:15,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (1/1) ... [2022-11-18 19:41:15,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:41:15,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:41:15,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:41:15,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:41:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 19:41:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 19:41:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-18 19:41:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 19:41:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 19:41:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:41:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:41:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:41:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:41:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:41:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:41:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 19:41:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:41:15,502 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:41:15,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:41:15,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:41:15,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:41:15,905 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:41:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:15 BoogieIcfgContainer [2022-11-18 19:41:15,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:41:15,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:41:15,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:41:15,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:41:15,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:41:13" (1/3) ... [2022-11-18 19:41:15,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697767f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:15, skipping insertion in model container [2022-11-18 19:41:15,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:14" (2/3) ... [2022-11-18 19:41:15,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697767f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:15, skipping insertion in model container [2022-11-18 19:41:15,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:15" (3/3) ... [2022-11-18 19:41:15,923 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_07_good.i [2022-11-18 19:41:15,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:41:15,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 19:41:16,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:41:16,072 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27df2a46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:41:16,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 19:41:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 19:41:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 19:41:16,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:16,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:16,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 19:41:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash -457675659, now seen corresponding path program 1 times [2022-11-18 19:41:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:16,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299359195] [2022-11-18 19:41:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:16,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:16,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299359195] [2022-11-18 19:41:16,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299359195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:16,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:16,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:41:16,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839127704] [2022-11-18 19:41:16,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:16,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:16,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:16,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:16,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:16,625 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:16,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:16,734 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2022-11-18 19:41:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:16,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-18 19:41:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:16,750 INFO L225 Difference]: With dead ends: 120 [2022-11-18 19:41:16,751 INFO L226 Difference]: Without dead ends: 55 [2022-11-18 19:41:16,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:16,760 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 71 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 [2022-11-18 19:41:16,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:16,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-18 19:41:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-18 19:41:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 51 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2022-11-18 19:41:16,818 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 13 [2022-11-18 19:41:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:16,820 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-18 19:41:16,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-18 19:41:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 19:41:16,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:16,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:16,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:41:16,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 19:41:16,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1858149296, now seen corresponding path program 1 times [2022-11-18 19:41:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:16,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282468194] [2022-11-18 19:41:16,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:16,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:16,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:16,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282468194] [2022-11-18 19:41:16,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282468194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:16,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:16,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:16,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511938415] [2022-11-18 19:41:16,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:16,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:16,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:16,988 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,027 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-11-18 19:41:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-18 19:41:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,030 INFO L225 Difference]: With dead ends: 86 [2022-11-18 19:41:17,030 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 19:41:17,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,032 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 34 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:17,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 160 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 19:41:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 54. [2022-11-18 19:41:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 50 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-11-18 19:41:17,050 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 15 [2022-11-18 19:41:17,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,051 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-11-18 19:41:17,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-18 19:41:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 19:41:17,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:41:17,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 19:41:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1768053402, now seen corresponding path program 1 times [2022-11-18 19:41:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091474473] [2022-11-18 19:41:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:17,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:17,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091474473] [2022-11-18 19:41:17,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091474473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:17,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:17,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:17,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125415901] [2022-11-18 19:41:17,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:17,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:17,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:17,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:17,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,178 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,224 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2022-11-18 19:41:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-18 19:41:17,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,226 INFO L225 Difference]: With dead ends: 128 [2022-11-18 19:41:17,227 INFO L226 Difference]: Without dead ends: 88 [2022-11-18 19:41:17,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,229 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 36 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:17,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 124 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-18 19:41:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 57. [2022-11-18 19:41:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 52 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-11-18 19:41:17,258 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 16 [2022-11-18 19:41:17,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,258 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-11-18 19:41:17,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-18 19:41:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 19:41:17,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:41:17,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 19:41:17,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,262 INFO L85 PathProgramCache]: Analyzing trace with hash 612967497, now seen corresponding path program 1 times [2022-11-18 19:41:17,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137296932] [2022-11-18 19:41:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:17,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:17,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137296932] [2022-11-18 19:41:17,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137296932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:17,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:17,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:17,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539933643] [2022-11-18 19:41:17,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:17,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:17,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:17,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:17,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,394 INFO L87 Difference]: Start difference. First operand 57 states and 71 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,425 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2022-11-18 19:41:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,426 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, (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 21 [2022-11-18 19:41:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,428 INFO L225 Difference]: With dead ends: 74 [2022-11-18 19:41:17,428 INFO L226 Difference]: Without dead ends: 73 [2022-11-18 19:41:17,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,431 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 20 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:17,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-18 19:41:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2022-11-18 19:41:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 51 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-11-18 19:41:17,446 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 21 [2022-11-18 19:41:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,447 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-11-18 19:41:17,447 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-18 19:41:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 19:41:17,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:41:17,450 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)] === [2022-11-18 19:41:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1822123333, now seen corresponding path program 1 times [2022-11-18 19:41:17,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920076624] [2022-11-18 19:41:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:17,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:17,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920076624] [2022-11-18 19:41:17,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920076624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:17,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:17,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540113776] [2022-11-18 19:41:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:17,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:17,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:17,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,547 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,583 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2022-11-18 19:41:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-18 19:41:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,586 INFO L225 Difference]: With dead ends: 102 [2022-11-18 19:41:17,586 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 19:41:17,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,589 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:17,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 117 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 19:41:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 59. [2022-11-18 19:41:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.288888888888889) internal successors, (58), 53 states have internal predecessors, (58), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-11-18 19:41:17,602 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 22 [2022-11-18 19:41:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,603 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-11-18 19:41:17,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-11-18 19:41:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:41:17,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:41:17,622 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)] === [2022-11-18 19:41:17,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,623 INFO L85 PathProgramCache]: Analyzing trace with hash -869928021, now seen corresponding path program 1 times [2022-11-18 19:41:17,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10323386] [2022-11-18 19:41:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:17,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10323386] [2022-11-18 19:41:17,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10323386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:17,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:17,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:17,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349410006] [2022-11-18 19:41:17,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:17,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:17,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,714 INFO L87 Difference]: Start difference. First operand 59 states and 74 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,735 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2022-11-18 19:41:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,736 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-18 19:41:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,737 INFO L225 Difference]: With dead ends: 67 [2022-11-18 19:41:17,738 INFO L226 Difference]: Without dead ends: 58 [2022-11-18 19:41:17,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,740 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 10 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 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 [2022-11-18 19:41:17,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 105 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-18 19:41:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-18 19:41:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 51 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-11-18 19:41:17,753 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 24 [2022-11-18 19:41:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,754 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-11-18 19:41:17,754 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,755 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-18 19:41:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 19:41:17,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:41:17,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 19:41:17,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1197964736, now seen corresponding path program 1 times [2022-11-18 19:41:17,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459823764] [2022-11-18 19:41:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:17,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:17,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459823764] [2022-11-18 19:41:17,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459823764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:17,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:17,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:17,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503913704] [2022-11-18 19:41:17,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:17,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:17,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:17,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:17,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,855 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:17,872 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-11-18 19:41:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:17,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 19:41:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:17,875 INFO L225 Difference]: With dead ends: 58 [2022-11-18 19:41:17,875 INFO L226 Difference]: Without dead ends: 57 [2022-11-18 19:41:17,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:17,877 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 8 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:17,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 105 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-18 19:41:17,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-18 19:41:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 50 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-11-18 19:41:17,890 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 25 [2022-11-18 19:41:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:17,890 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-11-18 19:41:17,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:41:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-18 19:41:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 19:41:17,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:17,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:17,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:41:17,894 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)] === [2022-11-18 19:41:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:17,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1113802565, now seen corresponding path program 1 times [2022-11-18 19:41:17,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:17,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304181228] [2022-11-18 19:41:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:17,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:41:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:18,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:18,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304181228] [2022-11-18 19:41:18,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304181228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:18,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:18,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:18,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079796800] [2022-11-18 19:41:18,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:18,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:18,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:18,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:18,090 INFO L87 Difference]: Start difference. First operand 57 states and 71 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:41:18,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:18,116 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-11-18 19:41:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:18,121 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, (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 34 [2022-11-18 19:41:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:18,123 INFO L225 Difference]: With dead ends: 57 [2022-11-18 19:41:18,123 INFO L226 Difference]: Without dead ends: 56 [2022-11-18 19:41:18,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:18,125 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:18,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-18 19:41:18,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-18 19:41:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.2) internal successors, (54), 49 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 19:41:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-11-18 19:41:18,150 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 34 [2022-11-18 19:41:18,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:18,151 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-11-18 19:41:18,151 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:41:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-18 19:41:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 19:41:18,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:18,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:18,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:41:18,158 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)] === [2022-11-18 19:41:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash -168140984, now seen corresponding path program 1 times [2022-11-18 19:41:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186289426] [2022-11-18 19:41:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:41:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:41:18,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:18,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186289426] [2022-11-18 19:41:18,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186289426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:18,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:18,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:41:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711154849] [2022-11-18 19:41:18,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:18,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:41:18,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:18,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:41:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:18,316 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:41:18,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:18,341 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-11-18 19:41:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:41:18,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-18 19:41:18,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:18,343 INFO L225 Difference]: With dead ends: 56 [2022-11-18 19:41:18,343 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:41:18,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:41:18,350 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:18,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:41:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:41:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:41:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:41:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:41:18,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-18 19:41:18,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:18,358 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:41:18,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:41:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:41:18,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:41:18,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 19:41:18,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 19:41:18,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 19:41:18,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 19:41:18,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 19:41:18,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 19:41:18,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 19:41:18,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 19:41:18,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:41:18,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:41:18,512 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 19:41:18,512 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 19:41:18,512 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 19:41:18,513 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 19:41:18,514 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 19:41:18,514 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 19:41:18,514 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 19:41:18,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-18 19:41:18,514 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~staticFive~0 5)) [2022-11-18 19:41:18,515 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-11-18 19:41:18,515 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-18 19:41:18,515 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1641) no Hoare annotation was computed. [2022-11-18 19:41:18,516 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2022-11-18 19:41:18,516 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1649) no Hoare annotation was computed. [2022-11-18 19:41:18,516 INFO L899 garLoopResultBuilder]: For program point L1646-2(lines 1643 1658) no Hoare annotation was computed. [2022-11-18 19:41:18,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-18 19:41:18,516 INFO L895 garLoopResultBuilder]: At program point L1671(line 1671) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-18 19:41:18,517 INFO L895 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) (= ~staticFive~0 5) (<= 0 .cse0))) [2022-11-18 19:41:18,517 INFO L899 garLoopResultBuilder]: For program point L1671-1(line 1671) no Hoare annotation was computed. [2022-11-18 19:41:18,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-18 19:41:18,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:41:18,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:41:18,518 INFO L895 garLoopResultBuilder]: At program point L1655(line 1655) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-18 19:41:18,518 INFO L895 garLoopResultBuilder]: At program point L1672(lines 1666 1673) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-18 19:41:18,518 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1584) no Hoare annotation was computed. [2022-11-18 19:41:18,518 INFO L899 garLoopResultBuilder]: For program point L1573-1(lines 1567 1585) no Hoare annotation was computed. [2022-11-18 19:41:18,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-18 19:41:18,519 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-11-18 19:41:18,519 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticFive~0 5)) [2022-11-18 19:41:18,519 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1618) no Hoare annotation was computed. [2022-11-18 19:41:18,519 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1604) no Hoare annotation was computed. [2022-11-18 19:41:18,519 INFO L899 garLoopResultBuilder]: For program point L1591-2(lines 1588 1620) no Hoare annotation was computed. [2022-11-18 19:41:18,520 INFO L895 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: (and (= ~staticFive~0 5) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-11-18 19:41:18,520 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1583) no Hoare annotation was computed. [2022-11-18 19:41:18,520 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1632) no Hoare annotation was computed. [2022-11-18 19:41:18,521 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1622 1641) no Hoare annotation was computed. [2022-11-18 19:41:18,522 INFO L899 garLoopResultBuilder]: For program point L1642(lines 1642 1658) no Hoare annotation was computed. [2022-11-18 19:41:18,527 INFO L899 garLoopResultBuilder]: For program point L1609(lines 1609 1617) no Hoare annotation was computed. [2022-11-18 19:41:18,527 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~staticFive~0 5)) [2022-11-18 19:41:18,527 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1595 1602) no Hoare annotation was computed. [2022-11-18 19:41:18,527 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:41:18,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1637) no Hoare annotation was computed. [2022-11-18 19:41:18,528 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1665) no Hoare annotation was computed. [2022-11-18 19:41:18,528 INFO L899 garLoopResultBuilder]: For program point L1577(line 1577) no Hoare annotation was computed. [2022-11-18 19:41:18,528 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2022-11-18 19:41:18,528 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1639) no Hoare annotation was computed. [2022-11-18 19:41:18,529 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: false [2022-11-18 19:41:18,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:41:18,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1637) no Hoare annotation was computed. [2022-11-18 19:41:18,552 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: false [2022-11-18 19:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1652(lines 1652 1656) no Hoare annotation was computed. [2022-11-18 19:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1566) no Hoare annotation was computed. [2022-11-18 19:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1586) no Hoare annotation was computed. [2022-11-18 19:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-18 19:41:18,552 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticFive~0 5)) [2022-11-18 19:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-11-18 19:41:18,553 INFO L895 garLoopResultBuilder]: At program point L1669(line 1669) the Hoare annotation is: (= ~staticFive~0 5) [2022-11-18 19:41:18,553 INFO L899 garLoopResultBuilder]: For program point L1669-1(line 1669) no Hoare annotation was computed. [2022-11-18 19:41:18,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-18 19:41:18,553 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1602) no Hoare annotation was computed. [2022-11-18 19:41:18,553 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1620) no Hoare annotation was computed. [2022-11-18 19:41:18,553 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~staticFive~0 5) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-11-18 19:41:18,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-18 19:41:18,554 INFO L899 garLoopResultBuilder]: For program point L1637(line 1637) no Hoare annotation was computed. [2022-11-18 19:41:18,554 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2022-11-18 19:41:18,558 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:18,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:41:18,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:41:18 BoogieIcfgContainer [2022-11-18 19:41:18,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:41:18,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:41:18,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:41:18,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:41:18,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:15" (3/4) ... [2022-11-18 19:41:18,597 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:41:18,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 19:41:18,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 19:41:18,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 19:41:18,614 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:41:18,614 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 19:41:18,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:41:18,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:41:18,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:41:18,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:41:18,691 INFO L158 Benchmark]: Toolchain (without parser) took 5294.73ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 81.1MB in the beginning and 125.4MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:41:18,691 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:41:18,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1570.89ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 93.8MB in the end (delta: -13.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-18 19:41:18,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.51ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 90.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:41:18,698 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:41:18,698 INFO L158 Benchmark]: RCFGBuilder took 816.89ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 72.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:41:18,699 INFO L158 Benchmark]: TraceAbstraction took 2676.54ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 71.4MB in the beginning and 129.6MB in the end (delta: -58.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-18 19:41:18,700 INFO L158 Benchmark]: Witness Printer took 97.97ms. Allocated memory is still 157.3MB. Free memory was 129.6MB in the beginning and 125.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:41:18,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1570.89ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 93.8MB in the end (delta: -13.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.51ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 90.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 816.89ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 72.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2676.54ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 71.4MB in the beginning and 129.6MB in the end (delta: -58.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 97.97ms. Allocated memory is still 157.3MB. Free memory was 129.6MB in the beginning and 125.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 1037 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 423 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 614 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 31 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, 96 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 94 HoareAnnotationTreeSize, 40 FomulaSimplifications, 230 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: staticFive == 5 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:41:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8eb271-dc29-4a16-bf1c-a4a5bfd70139/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE