./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN --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 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf --- 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-6b4ec56 [2022-11-20 10:46:50,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:50,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:50,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:50,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:50,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:50,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:50,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:50,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:50,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:50,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:50,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:50,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:50,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:50,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:50,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:50,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:50,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:50,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:50,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:50,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:50,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:50,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:50,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:50,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:50,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:50,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:50,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:50,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:50,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:50,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:50,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:50,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:50,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:50,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:50,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:50,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:50,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:50,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:50,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:50,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:50,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:46:50,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:50,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:50,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:50,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:50,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:50,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:50,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:50,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:50,326 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:50,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:50,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:50,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:50,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:50,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:50,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:50,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:50,329 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:46:50,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:50,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:50,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:50,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:50,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:50,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:50,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:50,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:50,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:50,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:50,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:50,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:50,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:50,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:50,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:50,332 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_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf [2022-11-20 10:46:50,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:50,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:50,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:50,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:50,656 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:50,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-11-20 10:46:53,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:54,089 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:54,089 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-11-20 10:46:54,133 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/data/118b83e40/580715510f20480a818d1a97aad035b7/FLAGde8a1fe91 [2022-11-20 10:46:54,151 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/data/118b83e40/580715510f20480a818d1a97aad035b7 [2022-11-20 10:46:54,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:54,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:54,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:54,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:54,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:54,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:54" (1/1) ... [2022-11-20 10:46:54,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cc608a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:54, skipping insertion in model container [2022-11-20 10:46:54,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:54" (1/1) ... [2022-11-20 10:46:54,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:54,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:54,691 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:46:55,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:55,369 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:55,415 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:46:55,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:55,687 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:55,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55 WrapperNode [2022-11-20 10:46:55,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:55,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:55,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:55,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:55,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,772 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-11-20 10:46:55,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:55,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:55,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:55,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:55,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:55,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:55,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:55,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:55,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:55,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:55,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:55,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 10:46:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:46:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:46:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:55,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:46:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:56,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:56,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:56,334 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:56,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:56,359 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:46:56,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56 BoogieIcfgContainer [2022-11-20 10:46:56,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:56,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:56,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:56,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:56,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:54" (1/3) ... [2022-11-20 10:46:56,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce9b995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:56, skipping insertion in model container [2022-11-20 10:46:56,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (2/3) ... [2022-11-20 10:46:56,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce9b995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:56, skipping insertion in model container [2022-11-20 10:46:56,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56" (3/3) ... [2022-11-20 10:46:56,374 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-11-20 10:46:56,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:56,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 10:46:56,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:46:56,489 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;@13f23384, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:46:56,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 10:46:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 10:46:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 10:46:56,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:56,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:56,507 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)] === [2022-11-20 10:46:56,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:56,512 INFO L85 PathProgramCache]: Analyzing trace with hash -3411870, now seen corresponding path program 1 times [2022-11-20 10:46:56,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:56,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258642463] [2022-11-20 10:46:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:56,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:56,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:56,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258642463] [2022-11-20 10:46:56,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258642463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:56,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:56,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:56,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085227137] [2022-11-20 10:46:56,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:56,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:56,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:56,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:56,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:56,936 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,013 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2022-11-20 10:46:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 10:46:57,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,027 INFO L225 Difference]: With dead ends: 114 [2022-11-20 10:46:57,027 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 10:46:57,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,041 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 71 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 10:46:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 10:46:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 46 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:46:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-20 10:46:57,097 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 12 [2022-11-20 10:46:57,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,099 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-20 10:46:57,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 10:46:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:46:57,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:46:57,103 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)] === [2022-11-20 10:46:57,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,104 INFO L85 PathProgramCache]: Analyzing trace with hash 716579271, now seen corresponding path program 1 times [2022-11-20 10:46:57,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147777329] [2022-11-20 10:46:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:57,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147777329] [2022-11-20 10:46:57,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147777329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664589793] [2022-11-20 10:46:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,314 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:57,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,356 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2022-11-20 10:46:57,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 10:46:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,363 INFO L225 Difference]: With dead ends: 53 [2022-11-20 10:46:57,364 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 10:46:57,365 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 [2022-11-20 10:46:57,367 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 32 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 80 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 10:46:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 10:46:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.393939393939394) internal successors, (46), 45 states have internal predecessors, (46), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:46:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-11-20 10:46:57,385 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 14 [2022-11-20 10:46:57,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,386 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-11-20 10:46:57,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 10:46:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 10:46:57,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:46:57,388 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)] === [2022-11-20 10:46:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,389 INFO L85 PathProgramCache]: Analyzing trace with hash 739120992, now seen corresponding path program 1 times [2022-11-20 10:46:57,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425171094] [2022-11-20 10:46:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:57,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425171094] [2022-11-20 10:46:57,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425171094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958815152] [2022-11-20 10:46:57,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,446 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:46:57,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,492 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2022-11-20 10:46:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,492 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 [2022-11-20 10:46:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,494 INFO L225 Difference]: With dead ends: 122 [2022-11-20 10:46:57,494 INFO L226 Difference]: Without dead ends: 84 [2022-11-20 10:46:57,495 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 [2022-11-20 10:46:57,496 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 31 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 166 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-20 10:46:57,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 54. [2022-11-20 10:46:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 46 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:46:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-20 10:46:57,518 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 15 [2022-11-20 10:46:57,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,518 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-20 10:46:57,519 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) [2022-11-20 10:46:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-20 10:46:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 10:46:57,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,520 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:46:57,521 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)] === [2022-11-20 10:46:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1877659523, now seen corresponding path program 1 times [2022-11-20 10:46:57,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385928037] [2022-11-20 10:46:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:46:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 10:46:57,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385928037] [2022-11-20 10:46:57,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385928037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:57,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635712612] [2022-11-20 10:46:57,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,587 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:46:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,600 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2022-11-20 10:46:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-20 10:46:57,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,602 INFO L225 Difference]: With dead ends: 89 [2022-11-20 10:46:57,602 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 10:46:57,603 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 [2022-11-20 10:46:57,604 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 10:46:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 10:46:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-20 10:46:57,614 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 24 [2022-11-20 10:46:57,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,615 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-20 10:46:57,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:46:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-20 10:46:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 10:46:57,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,616 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:46:57,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:57,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008232, now seen corresponding path program 1 times [2022-11-20 10:46:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324671332] [2022-11-20 10:46:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 10:46:57,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324671332] [2022-11-20 10:46:57,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324671332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768630002] [2022-11-20 10:46:57,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,695 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,719 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-20 10:46:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-20 10:46:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,721 INFO L225 Difference]: With dead ends: 52 [2022-11-20 10:46:57,721 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 10:46:57,722 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 [2022-11-20 10:46:57,723 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 83 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 10:46:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 10:46:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.25) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-11-20 10:46:57,732 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2022-11-20 10:46:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,733 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-11-20 10:46:57,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-20 10:46:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 10:46:57,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,735 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:46:57,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1834484019, now seen corresponding path program 1 times [2022-11-20 10:46:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202229819] [2022-11-20 10:46:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 10:46:57,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202229819] [2022-11-20 10:46:57,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202229819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772938569] [2022-11-20 10:46:57,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,796 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:57,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,815 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2022-11-20 10:46:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-20 10:46:57,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,816 INFO L225 Difference]: With dead ends: 77 [2022-11-20 10:46:57,816 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 10:46:57,817 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 [2022-11-20 10:46:57,818 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 105 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 10:46:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 10:46:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.205128205128205) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-11-20 10:46:57,827 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 26 [2022-11-20 10:46:57,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,828 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-11-20 10:46:57,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:46:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-20 10:46:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 10:46:57,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,829 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:46:57,830 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:57,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1863024089, now seen corresponding path program 1 times [2022-11-20 10:46:57,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727424113] [2022-11-20 10:46:57,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:46:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:46:57,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727424113] [2022-11-20 10:46:57,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727424113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574353116] [2022-11-20 10:46:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,924 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:46:57,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:57,951 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-11-20 10:46:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-11-20 10:46:57,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:57,955 INFO L225 Difference]: With dead ends: 53 [2022-11-20 10:46:57,955 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 10:46:57,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,960 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:57,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 96 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:57,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 10:46:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 10:46:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-20 10:46:57,975 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 33 [2022-11-20 10:46:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:57,976 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-20 10:46:57,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:46:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-20 10:46:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 10:46:57,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:57,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:46:57,983 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1919171787, now seen corresponding path program 1 times [2022-11-20 10:46:57,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299370076] [2022-11-20 10:46:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:46:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:46:58,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299370076] [2022-11-20 10:46:58,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299370076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:58,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:58,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043081841] [2022-11-20 10:46:58,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:58,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,119 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:46:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:58,143 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-20 10:46:58,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-11-20 10:46:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:58,146 INFO L225 Difference]: With dead ends: 52 [2022-11-20 10:46:58,146 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 10:46:58,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,150 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 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 [2022-11-20 10:46:58,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 10:46:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 10:46:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-11-20 10:46:58,158 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 34 [2022-11-20 10:46:58,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:58,159 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-11-20 10:46:58,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:46:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-11-20 10:46:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 10:46:58,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:58,161 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:58,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:46:58,161 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:58,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:58,162 INFO L85 PathProgramCache]: Analyzing trace with hash -284591334, now seen corresponding path program 1 times [2022-11-20 10:46:58,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:58,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674876339] [2022-11-20 10:46:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:46:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:46:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:46:58,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674876339] [2022-11-20 10:46:58,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674876339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:58,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:58,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:58,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340891654] [2022-11-20 10:46:58,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:58,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,236 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:46:58,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:58,245 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-20 10:46:58,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:58,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-20 10:46:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:58,246 INFO L225 Difference]: With dead ends: 51 [2022-11-20 10:46:58,247 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 10:46:58,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,248 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:58,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:58,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 10:46:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 10:46:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:46:58,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-11-20 10:46:58,255 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 42 [2022-11-20 10:46:58,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:58,255 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-11-20 10:46:58,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:46:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-20 10:46:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 10:46:58,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:46:58,257 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:58,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:46:58,258 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:46:58,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash -232396620, now seen corresponding path program 1 times [2022-11-20 10:46:58,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:58,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257188323] [2022-11-20 10:46:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:46:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:46:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:46:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:46:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:46:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257188323] [2022-11-20 10:46:58,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257188323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:58,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:58,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472718384] [2022-11-20 10:46:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:58,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,330 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:46:58,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:46:58,338 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-11-20 10:46:58,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:58,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-11-20 10:46:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:46:58,339 INFO L225 Difference]: With dead ends: 50 [2022-11-20 10:46:58,339 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:46:58,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,344 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:46:58,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:46:58,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:46:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:46:58,347 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) [2022-11-20 10:46:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:46:58,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-20 10:46:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:46:58,348 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:46:58,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:46:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:46:58,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:46:58,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 10:46:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 10:46:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 10:46:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 10:46:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 10:46:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 10:46:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 10:46:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 10:46:58,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:46:58,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:46:58,547 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 10:46:58,547 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:46:58,547 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 10:46:58,547 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:46:58,547 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1650) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:46:58,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:46:58,549 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-11-20 10:46:58,549 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-20 10:46:58,549 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1629) no Hoare annotation was computed. [2022-11-20 10:46:58,549 INFO L899 garLoopResultBuilder]: For program point L1622-1(lines 1619 1638) no Hoare annotation was computed. [2022-11-20 10:46:58,549 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-20 10:46:58,549 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1655) no Hoare annotation was computed. [2022-11-20 10:46:58,549 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1615) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point L1656(lines 1656 1662) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1617) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1568 1584) no Hoare annotation was computed. [2022-11-20 10:46:58,550 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1583) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L895 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: false [2022-11-20 10:46:58,551 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L895 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-20 10:46:58,551 INFO L899 garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-20 10:46:58,551 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (not (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1650(line 1650) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:46:58,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 10:46:58,553 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1638) no Hoare annotation was computed. [2022-11-20 10:46:58,553 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1646) no Hoare annotation was computed. [2022-11-20 10:46:58,553 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-20 10:46:58,553 INFO L899 garLoopResultBuilder]: For program point L1643-2(lines 1640 1655) no Hoare annotation was computed. [2022-11-20 10:46:58,553 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-20 10:46:58,553 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-11-20 10:46:58,553 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2022-11-20 10:46:58,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:46:58,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 10:46:58,554 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2022-11-20 10:46:58,554 INFO L895 garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-20 10:46:58,554 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1617) no Hoare annotation was computed. [2022-11-20 10:46:58,554 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-11-20 10:46:58,554 INFO L895 garLoopResultBuilder]: At program point L1669(lines 1663 1670) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 1) [2022-11-20 10:46:58,555 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2022-11-20 10:46:58,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-11-20 10:46:58,555 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed. [2022-11-20 10:46:58,555 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1585) no Hoare annotation was computed. [2022-11-20 10:46:58,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1650) no Hoare annotation was computed. [2022-11-20 10:46:58,559 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:58,561 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:46:58,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:46:58 BoogieIcfgContainer [2022-11-20 10:46:58,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:46:58,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:46:58,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:46:58,575 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:46:58,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56" (3/4) ... [2022-11-20 10:46:58,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:46:58,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 10:46:58,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 10:46:58,591 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 10:46:58,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:46:58,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:46:58,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:46:58,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:46:58,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:46:58,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:46:58,660 INFO L158 Benchmark]: Toolchain (without parser) took 4502.16ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 131.8MB in the beginning and 80.8MB in the end (delta: 50.9MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,660 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:58,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.70ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 90.4MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 87.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,661 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 165.7MB. Free memory was 87.1MB in the beginning and 85.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:58,661 INFO L158 Benchmark]: RCFGBuilder took 558.59ms. Allocated memory is still 165.7MB. Free memory was 85.8MB in the beginning and 69.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,662 INFO L158 Benchmark]: TraceAbstraction took 2210.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 85.0MB in the end (delta: -16.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,662 INFO L158 Benchmark]: Witness Printer took 84.12ms. Allocated memory is still 199.2MB. Free memory was 85.0MB in the beginning and 80.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:46:58,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.70ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 90.4MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 87.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 165.7MB. Free memory was 87.1MB in the beginning and 85.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.59ms. Allocated memory is still 165.7MB. Free memory was 85.8MB in the beginning and 69.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2210.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 85.0MB in the end (delta: -16.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 84.12ms. Allocated memory is still 199.2MB. Free memory was 85.0MB in the beginning and 80.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 963 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 613 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 47 PreInvPairs, 56 NumberOfFragments, 119 HoareAnnotationTreeSize, 47 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: STATIC_CONST_TRUE == 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:46:58,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c3e852-29c3-45b4-8565-44da5adb9bd0/bin/uautomizer-ug76WZFUDN/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