./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:51:06,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:51:06,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:51:06,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:51:06,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:51:06,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:51:06,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:51:06,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:51:06,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:51:06,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:51:06,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:51:06,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:51:06,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:51:06,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:51:06,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:51:06,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:51:06,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:51:06,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:51:06,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:51:06,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:51:06,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:51:06,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:51:06,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:51:06,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:51:06,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:51:06,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:51:06,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:51:06,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:51:06,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:51:06,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:51:06,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:51:06,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:51:06,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:51:06,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:51:06,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:51:06,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:51:06,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:51:06,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:51:06,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:51:06,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:51:06,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:51:06,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 01:51:06,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:51:06,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:51:06,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:51:06,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:51:06,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:51:06,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:51:06,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:51:06,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:51:06,897 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:51:06,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:51:06,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:51:06,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:51:06,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:51:06,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:51:06,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:51:06,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:51:06,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:51:06,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:51:06,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:51:06,899 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:51:06,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:51:06,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:51:06,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:51:06,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:51:06,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:51:06,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:51:06,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:06,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:51:06,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:51:06,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:51:06,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:51:06,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:51:06,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:51:06,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:51:06,902 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:51:06,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:51:06,903 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2022-11-23 01:51:07,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:51:07,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:51:07,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:51:07,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:51:07,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:51:07,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-23 01:51:10,269 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:51:10,466 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:51:10,466 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-23 01:51:10,480 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/901c45e95/28cfc9e65d2749f9bb5f0ff8922f2f51/FLAG58458c2dc [2022-11-23 01:51:10,498 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/901c45e95/28cfc9e65d2749f9bb5f0ff8922f2f51 [2022-11-23 01:51:10,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:51:10,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:51:10,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:10,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:51:10,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:51:10,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e29091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10, skipping insertion in model container [2022-11-23 01:51:10,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:51:10,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:51:10,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-23 01:51:10,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:10,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:51:10,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-23 01:51:10,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:10,864 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:51:10,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10 WrapperNode [2022-11-23 01:51:10,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:10,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:10,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:51:10,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:51:10,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,911 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 217 [2022-11-23 01:51:10,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:10,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:51:10,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:51:10,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:51:10,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,951 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:51:10,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:51:10,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:51:10,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:51:10,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (1/1) ... [2022-11-23 01:51:10,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:51:11,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:51:11,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:51:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:51:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:51:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-23 01:51:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-23 01:51:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:51:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:51:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 01:51:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 01:51:11,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:51:11,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:51:11,822 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:51:11,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:51:11,830 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:51:11,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:11 BoogieIcfgContainer [2022-11-23 01:51:11,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:51:11,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:51:11,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:51:11,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:51:11,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:10" (1/3) ... [2022-11-23 01:51:11,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a855764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:11, skipping insertion in model container [2022-11-23 01:51:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:10" (2/3) ... [2022-11-23 01:51:11,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a855764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:11, skipping insertion in model container [2022-11-23 01:51:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:11" (3/3) ... [2022-11-23 01:51:11,852 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2.c.cil.c [2022-11-23 01:51:11,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:51:11,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-23 01:51:11,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:51:11,947 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;@7c56db23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:51:11,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-23 01:51:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 103 states have (on average 1.7087378640776698) internal successors, (176), 127 states have internal predecessors, (176), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 01:51:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 01:51:11,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:11,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:11,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 589947914, now seen corresponding path program 1 times [2022-11-23 01:51:11,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:11,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440468448] [2022-11-23 01:51:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:11,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:12,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:12,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440468448] [2022-11-23 01:51:12,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440468448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:12,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:12,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:51:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196957774] [2022-11-23 01:51:12,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:12,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:51:12,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:51:12,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:12,336 INFO L87 Difference]: Start difference. First operand has 136 states, 103 states have (on average 1.7087378640776698) internal successors, (176), 127 states have internal predecessors, (176), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:12,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:12,530 INFO L93 Difference]: Finished difference Result 324 states and 475 transitions. [2022-11-23 01:51:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:51:12,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 01:51:12,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:12,543 INFO L225 Difference]: With dead ends: 324 [2022-11-23 01:51:12,543 INFO L226 Difference]: Without dead ends: 160 [2022-11-23 01:51:12,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:12,550 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 87 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:12,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 502 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:12,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-23 01:51:12,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 147. [2022-11-23 01:51:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 119 states have (on average 1.546218487394958) internal successors, (184), 138 states have internal predecessors, (184), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 194 transitions. [2022-11-23 01:51:12,598 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 194 transitions. Word has length 9 [2022-11-23 01:51:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:12,598 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 194 transitions. [2022-11-23 01:51:12,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2022-11-23 01:51:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 01:51:12,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:12,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:12,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:51:12,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:12,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1816789482, now seen corresponding path program 1 times [2022-11-23 01:51:12,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:12,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501084602] [2022-11-23 01:51:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:12,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:12,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501084602] [2022-11-23 01:51:12,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501084602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:12,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:12,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:51:12,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471054169] [2022-11-23 01:51:12,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:12,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:51:12,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:12,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:51:12,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:12,704 INFO L87 Difference]: Start difference. First operand 147 states and 194 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:12,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:12,873 INFO L93 Difference]: Finished difference Result 285 states and 362 transitions. [2022-11-23 01:51:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:51:12,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-23 01:51:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:12,876 INFO L225 Difference]: With dead ends: 285 [2022-11-23 01:51:12,876 INFO L226 Difference]: Without dead ends: 181 [2022-11-23 01:51:12,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:51:12,878 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 145 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:12,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 461 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:12,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-23 01:51:12,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 161. [2022-11-23 01:51:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 133 states have (on average 1.5263157894736843) internal successors, (203), 152 states have internal predecessors, (203), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 213 transitions. [2022-11-23 01:51:12,898 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 213 transitions. Word has length 14 [2022-11-23 01:51:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 213 transitions. [2022-11-23 01:51:12,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 213 transitions. [2022-11-23 01:51:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 01:51:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:12,900 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:51:12,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:12,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash -461519741, now seen corresponding path program 1 times [2022-11-23 01:51:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:12,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686637677] [2022-11-23 01:51:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 01:51:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 01:51:12,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686637677] [2022-11-23 01:51:12,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686637677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:12,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:12,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:51:12,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403675970] [2022-11-23 01:51:12,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:12,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:51:12,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:12,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:51:12,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:12,992 INFO L87 Difference]: Start difference. First operand 161 states and 213 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:13,072 INFO L93 Difference]: Finished difference Result 167 states and 220 transitions. [2022-11-23 01:51:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:51:13,072 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-23 01:51:13,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:13,081 INFO L225 Difference]: With dead ends: 167 [2022-11-23 01:51:13,081 INFO L226 Difference]: Without dead ends: 166 [2022-11-23 01:51:13,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:13,087 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 4 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:13,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 235 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-23 01:51:13,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 159. [2022-11-23 01:51:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.5151515151515151) internal successors, (200), 150 states have internal predecessors, (200), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 210 transitions. [2022-11-23 01:51:13,119 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 210 transitions. Word has length 16 [2022-11-23 01:51:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:13,120 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 210 transitions. [2022-11-23 01:51:13,120 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 210 transitions. [2022-11-23 01:51:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 01:51:13,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:13,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:13,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:51:13,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:13,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2125395426, now seen corresponding path program 1 times [2022-11-23 01:51:13,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:13,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469893669] [2022-11-23 01:51:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:13,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:13,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469893669] [2022-11-23 01:51:13,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469893669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:13,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:13,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:51:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920803490] [2022-11-23 01:51:13,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:13,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:51:13,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:51:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:13,263 INFO L87 Difference]: Start difference. First operand 159 states and 210 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:13,308 INFO L93 Difference]: Finished difference Result 261 states and 337 transitions. [2022-11-23 01:51:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:51:13,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 01:51:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:13,310 INFO L225 Difference]: With dead ends: 261 [2022-11-23 01:51:13,310 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 01:51:13,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:13,312 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 7 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:13,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 355 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:51:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 01:51:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-23 01:51:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 80 states have (on average 1.525) internal successors, (122), 98 states have internal predecessors, (122), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-23 01:51:13,322 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 15 [2022-11-23 01:51:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:13,323 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-23 01:51:13,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-23 01:51:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 01:51:13,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:13,324 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:13,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:51:13,325 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:13,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:13,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1393582670, now seen corresponding path program 1 times [2022-11-23 01:51:13,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:13,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839212019] [2022-11-23 01:51:13,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:13,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 01:51:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:13,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:13,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839212019] [2022-11-23 01:51:13,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839212019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:13,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:13,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:51:13,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540547701] [2022-11-23 01:51:13,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:13,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:51:13,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:13,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:51:13,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:13,390 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:13,488 INFO L93 Difference]: Finished difference Result 157 states and 196 transitions. [2022-11-23 01:51:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:51:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 01:51:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:13,490 INFO L225 Difference]: With dead ends: 157 [2022-11-23 01:51:13,491 INFO L226 Difference]: Without dead ends: 153 [2022-11-23 01:51:13,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:51:13,502 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 166 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:13,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 348 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-23 01:51:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 139. [2022-11-23 01:51:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.5357142857142858) internal successors, (172), 129 states have internal predecessors, (172), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 182 transitions. [2022-11-23 01:51:13,514 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 182 transitions. Word has length 17 [2022-11-23 01:51:13,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:13,515 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 182 transitions. [2022-11-23 01:51:13,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2022-11-23 01:51:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 01:51:13,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:13,526 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:13,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:51:13,526 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:13,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:13,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1422210026, now seen corresponding path program 1 times [2022-11-23 01:51:13,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:13,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288163506] [2022-11-23 01:51:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:13,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 01:51:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:13,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:13,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288163506] [2022-11-23 01:51:13,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288163506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:13,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:13,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:51:13,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866860857] [2022-11-23 01:51:13,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:13,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:51:13,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:13,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:51:13,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:13,636 INFO L87 Difference]: Start difference. First operand 139 states and 182 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:13,738 INFO L93 Difference]: Finished difference Result 163 states and 205 transitions. [2022-11-23 01:51:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:51:13,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 01:51:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:13,741 INFO L225 Difference]: With dead ends: 163 [2022-11-23 01:51:13,742 INFO L226 Difference]: Without dead ends: 160 [2022-11-23 01:51:13,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:51:13,746 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 166 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:13,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 348 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-23 01:51:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2022-11-23 01:51:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 119 states have (on average 1.495798319327731) internal successors, (178), 135 states have internal predecessors, (178), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2022-11-23 01:51:13,775 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 188 transitions. Word has length 17 [2022-11-23 01:51:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:13,776 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 188 transitions. [2022-11-23 01:51:13,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2022-11-23 01:51:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 01:51:13,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:13,779 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:13,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:51:13,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:13,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1169653443, now seen corresponding path program 1 times [2022-11-23 01:51:13,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:13,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351968470] [2022-11-23 01:51:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 01:51:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 01:51:13,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:13,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351968470] [2022-11-23 01:51:13,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351968470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:13,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:13,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:51:13,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181802427] [2022-11-23 01:51:13,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:13,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:51:13,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:51:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:13,859 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:13,913 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2022-11-23 01:51:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:51:13,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-23 01:51:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:13,916 INFO L225 Difference]: With dead ends: 171 [2022-11-23 01:51:13,916 INFO L226 Difference]: Without dead ends: 169 [2022-11-23 01:51:13,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:13,918 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 26 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:13,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 239 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:51:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-23 01:51:13,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 145. [2022-11-23 01:51:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 135 states have internal predecessors, (177), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2022-11-23 01:51:13,938 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 21 [2022-11-23 01:51:13,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:13,939 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2022-11-23 01:51:13,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2022-11-23 01:51:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 01:51:13,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:13,944 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:13,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 01:51:13,945 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:13,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:13,945 INFO L85 PathProgramCache]: Analyzing trace with hash 755952599, now seen corresponding path program 1 times [2022-11-23 01:51:13,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:13,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930994668] [2022-11-23 01:51:13,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:51:13,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:51:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:51:13,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:51:13,989 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 01:51:13,990 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-11-23 01:51:13,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-11-23 01:51:13,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-11-23 01:51:13,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-11-23 01:51:13,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-11-23 01:51:13,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-11-23 01:51:13,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-11-23 01:51:13,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-11-23 01:51:13,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-11-23 01:51:13,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-11-23 01:51:13,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-11-23 01:51:13,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-11-23 01:51:13,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-11-23 01:51:13,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-11-23 01:51:13,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-11-23 01:51:13,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-11-23 01:51:13,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-11-23 01:51:13,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 01:51:14,000 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:14,004 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:51:14,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:51:14 BoogieIcfgContainer [2022-11-23 01:51:14,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:51:14,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:51:14,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:51:14,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:51:14,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:11" (3/4) ... [2022-11-23 01:51:14,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 01:51:14,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:51:14,037 INFO L158 Benchmark]: Toolchain (without parser) took 3534.88ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 62.2MB in the end (delta: 74.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,037 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 97.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:51:14,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.66ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 131.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 129.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,038 INFO L158 Benchmark]: Boogie Preprocessor took 43.90ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,038 INFO L158 Benchmark]: RCFGBuilder took 873.07ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 101.8MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,039 INFO L158 Benchmark]: TraceAbstraction took 2198.04ms. Allocated memory is still 169.9MB. Free memory was 101.1MB in the beginning and 62.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2022-11-23 01:51:14,039 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 169.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:51:14,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 97.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.66ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 131.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 129.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.90ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 873.07ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 101.8MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2198.04ms. Allocated memory is still 169.9MB. Free memory was 101.1MB in the beginning and 62.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 169.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; VAL [ea=0, eb=0] [L255] CALL, EXPR base2flt(0, 0) VAL [unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [__retres4=0, e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L84] return (__retres4); VAL [\result=0, __retres4=0, e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L255] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L33] COND FALSE !(! m) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L61] COND TRUE 1 VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L80] m = m & ~ (1U << 24U) VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L81] EXPR e + 128 VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L81] (e + 128) << 24U VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 136 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 611 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 601 mSDsluCounter, 2488 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1614 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 874 mSDtfsCounter, 379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=2, InterpolantAutomatonStates: 33, 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, 7 MinimizatonAttempts, 93 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 8/8 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 01:51:14,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:51:16,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:51:16,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:51:16,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:51:16,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:51:16,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:51:16,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:51:16,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:51:16,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:51:16,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:51:16,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:51:16,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:51:16,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:51:16,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:51:16,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:51:16,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:51:16,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:51:16,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:51:16,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:51:16,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:51:16,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:51:16,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:51:16,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:51:16,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:51:16,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:51:16,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:51:16,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:51:16,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:51:16,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:51:16,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:51:16,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:51:16,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:51:16,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:51:16,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:51:16,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:51:16,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:51:16,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:51:16,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:51:16,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:51:16,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:51:16,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:51:16,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-11-23 01:51:16,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:51:16,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:51:16,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:51:16,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:51:16,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:51:16,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:51:16,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:51:16,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:51:16,556 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:51:16,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:51:16,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:51:16,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:51:16,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:51:16,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:51:16,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:51:16,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:51:16,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:51:16,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 01:51:16,559 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 01:51:16,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:51:16,559 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 01:51:16,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:51:16,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:51:16,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:51:16,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:51:16,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:51:16,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:51:16,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:51:16,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:16,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:51:16,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:51:16,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:51:16,561 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:51:16,562 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 01:51:16,563 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2022-11-23 01:51:16,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:51:17,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:51:17,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:51:17,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:51:17,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:51:17,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-23 01:51:20,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:51:20,374 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:51:20,375 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-23 01:51:20,381 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/c4cb8f703/9be28723db334ebcaa1c3416958ed353/FLAG82a842d47 [2022-11-23 01:51:20,393 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/data/c4cb8f703/9be28723db334ebcaa1c3416958ed353 [2022-11-23 01:51:20,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:51:20,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:51:20,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:20,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:51:20,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:51:20,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303c2b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20, skipping insertion in model container [2022-11-23 01:51:20,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:51:20,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:51:20,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-23 01:51:20,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:20,656 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:51:20,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-23 01:51:20,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:20,775 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:51:20,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20 WrapperNode [2022-11-23 01:51:20,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:20,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:20,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:51:20,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:51:20,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,815 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2022-11-23 01:51:20,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:20,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:51:20,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:51:20,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:51:20,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,855 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:51:20,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:51:20,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:51:20,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:51:20,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (1/1) ... [2022-11-23 01:51:20,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:51:20,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:51:20,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:51:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:51:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 01:51:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-23 01:51:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-23 01:51:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:51:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:51:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 01:51:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 01:51:21,019 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:51:21,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:51:21,434 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:51:21,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:51:21,442 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:51:21,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:21 BoogieIcfgContainer [2022-11-23 01:51:21,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:51:21,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:51:21,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:51:21,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:51:21,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:20" (1/3) ... [2022-11-23 01:51:21,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573c155d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:21, skipping insertion in model container [2022-11-23 01:51:21,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:20" (2/3) ... [2022-11-23 01:51:21,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573c155d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:21, skipping insertion in model container [2022-11-23 01:51:21,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:21" (3/3) ... [2022-11-23 01:51:21,458 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2.c.cil.c [2022-11-23 01:51:21,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:51:21,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-23 01:51:21,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:51:21,572 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;@46c2f055, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:51:21,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-23 01:51:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 81 states have (on average 1.7037037037037037) internal successors, (138), 105 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 01:51:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 01:51:21,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:21,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:21,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:21,591 INFO L85 PathProgramCache]: Analyzing trace with hash 256736734, now seen corresponding path program 1 times [2022-11-23 01:51:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572257170] [2022-11-23 01:51:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:21,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:21,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:21,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:21,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 01:51:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:21,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 01:51:21,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:21,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:21,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:21,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572257170] [2022-11-23 01:51:21,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572257170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:21,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:21,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 01:51:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928418377] [2022-11-23 01:51:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:21,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:51:21,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:21,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:51:21,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:51:21,773 INFO L87 Difference]: Start difference. First operand has 114 states, 81 states have (on average 1.7037037037037037) internal successors, (138), 105 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:21,809 INFO L93 Difference]: Finished difference Result 216 states and 312 transitions. [2022-11-23 01:51:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:51:21,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 01:51:21,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:21,819 INFO L225 Difference]: With dead ends: 216 [2022-11-23 01:51:21,820 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 01:51:21,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:51:21,827 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:21,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:51:21,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 01:51:21,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 01:51:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 69 states have internal predecessors, (81), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2022-11-23 01:51:21,872 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 9 [2022-11-23 01:51:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:21,872 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2022-11-23 01:51:21,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2022-11-23 01:51:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 01:51:21,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:21,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:21,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:51:22,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash 255795468, now seen corresponding path program 1 times [2022-11-23 01:51:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:22,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50992716] [2022-11-23 01:51:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:22,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:22,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:22,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 01:51:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:22,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:51:22,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:22,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:22,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:22,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50992716] [2022-11-23 01:51:22,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50992716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:22,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:22,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:51:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421266156] [2022-11-23 01:51:22,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:22,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:51:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:51:22,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:22,236 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:22,331 INFO L93 Difference]: Finished difference Result 159 states and 188 transitions. [2022-11-23 01:51:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:51:22,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 01:51:22,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:22,342 INFO L225 Difference]: With dead ends: 159 [2022-11-23 01:51:22,346 INFO L226 Difference]: Without dead ends: 85 [2022-11-23 01:51:22,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:22,351 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 9 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:22,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 251 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:51:22,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-23 01:51:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2022-11-23 01:51:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 73 states have internal predecessors, (85), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2022-11-23 01:51:22,376 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 9 [2022-11-23 01:51:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:22,377 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2022-11-23 01:51:22,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:51:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2022-11-23 01:51:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 01:51:22,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:22,379 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:22,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 01:51:22,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:22,598 INFO L85 PathProgramCache]: Analyzing trace with hash 405896156, now seen corresponding path program 1 times [2022-11-23 01:51:22,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:22,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265266521] [2022-11-23 01:51:22,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:22,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:22,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:22,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 01:51:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:22,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:51:22,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 01:51:22,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:22,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:22,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265266521] [2022-11-23 01:51:22,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265266521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:22,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:22,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:51:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858349279] [2022-11-23 01:51:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:22,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:51:22,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:51:22,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:22,692 INFO L87 Difference]: Start difference. First operand 82 states and 95 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:22,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:22,737 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2022-11-23 01:51:22,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:51:22,738 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-23 01:51:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:22,740 INFO L225 Difference]: With dead ends: 85 [2022-11-23 01:51:22,740 INFO L226 Difference]: Without dead ends: 84 [2022-11-23 01:51:22,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:22,741 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:22,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 165 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:51:22,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-23 01:51:22,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2022-11-23 01:51:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 72 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2022-11-23 01:51:22,752 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 16 [2022-11-23 01:51:22,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:22,752 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2022-11-23 01:51:22,752 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-23 01:51:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 01:51:22,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:22,753 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:22,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 01:51:22,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:22,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:22,965 INFO L85 PathProgramCache]: Analyzing trace with hash 111631876, now seen corresponding path program 1 times [2022-11-23 01:51:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:22,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299020101] [2022-11-23 01:51:22,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:22,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:22,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:22,968 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:22,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 01:51:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:23,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:51:23,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 01:51:23,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:23,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:23,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299020101] [2022-11-23 01:51:23,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299020101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:23,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:23,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:51:23,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047557159] [2022-11-23 01:51:23,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:23,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:51:23,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:23,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:51:23,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:23,032 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:23,086 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2022-11-23 01:51:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:51:23,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 01:51:23,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:23,087 INFO L225 Difference]: With dead ends: 84 [2022-11-23 01:51:23,088 INFO L226 Difference]: Without dead ends: 83 [2022-11-23 01:51:23,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:51:23,089 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:23,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 164 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:51:23,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-23 01:51:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2022-11-23 01:51:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.360655737704918) internal successors, (83), 71 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2022-11-23 01:51:23,097 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 18 [2022-11-23 01:51:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:23,097 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2022-11-23 01:51:23,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-11-23 01:51:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 01:51:23,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:23,099 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:23,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 01:51:23,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:23,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash 111699402, now seen corresponding path program 1 times [2022-11-23 01:51:23,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:23,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949176568] [2022-11-23 01:51:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:23,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:23,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:23,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:23,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 01:51:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:23,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:51:23,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:23,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:23,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:23,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949176568] [2022-11-23 01:51:23,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949176568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:23,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:23,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:51:23,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288720749] [2022-11-23 01:51:23,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:23,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:51:23,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:23,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:51:23,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:51:23,508 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:23,841 INFO L93 Difference]: Finished difference Result 102 states and 119 transitions. [2022-11-23 01:51:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:51:23,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 01:51:23,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:23,843 INFO L225 Difference]: With dead ends: 102 [2022-11-23 01:51:23,844 INFO L226 Difference]: Without dead ends: 99 [2022-11-23 01:51:23,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:51:23,845 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:23,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 187 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 01:51:23,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-23 01:51:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 87. [2022-11-23 01:51:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.338235294117647) internal successors, (91), 78 states have internal predecessors, (91), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 01:51:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2022-11-23 01:51:23,867 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 18 [2022-11-23 01:51:23,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:23,867 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2022-11-23 01:51:23,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 01:51:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2022-11-23 01:51:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 01:51:23,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:23,868 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:23,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:51:24,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:24,076 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-23 01:51:24,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash -962667073, now seen corresponding path program 1 times [2022-11-23 01:51:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:24,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117149728] [2022-11-23 01:51:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:24,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 01:51:24,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-23 01:51:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:51:24,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:51:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:51:24,172 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 01:51:24,172 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 01:51:24,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-11-23 01:51:24,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-11-23 01:51:24,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-11-23 01:51:24,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-11-23 01:51:24,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-11-23 01:51:24,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-11-23 01:51:24,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-11-23 01:51:24,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-11-23 01:51:24,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-11-23 01:51:24,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-11-23 01:51:24,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-11-23 01:51:24,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-11-23 01:51:24,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-11-23 01:51:24,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-11-23 01:51:24,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-11-23 01:51:24,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-11-23 01:51:24,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-11-23 01:51:24,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-11-23 01:51:24,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-11-23 01:51:24,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-11-23 01:51:24,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-11-23 01:51:24,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-11-23 01:51:24,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-23 01:51:24,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 01:51:24,403 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 01:51:24,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:51:24,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:51:24 BoogieIcfgContainer [2022-11-23 01:51:24,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:51:24,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:51:24,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:51:24,450 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:51:24,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:21" (3/4) ... [2022-11-23 01:51:24,452 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 01:51:24,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:51:24,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:51:24,491 INFO L158 Benchmark]: Toolchain (without parser) took 4093.86ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 49.1MB in the end (delta: -4.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-23 01:51:24,492 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:51:24,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.66ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 63.8MB in the end (delta: -19.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-23 01:51:24,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:51:24,493 INFO L158 Benchmark]: Boogie Preprocessor took 43.60ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:51:24,493 INFO L158 Benchmark]: RCFGBuilder took 584.22ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 39.7MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 01:51:24,494 INFO L158 Benchmark]: TraceAbstraction took 3002.21ms. Allocated memory is still 86.0MB. Free memory was 39.1MB in the beginning and 51.2MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:51:24,494 INFO L158 Benchmark]: Witness Printer took 40.97ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:51:24,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.66ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 63.8MB in the end (delta: -19.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.69ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.60ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.22ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 39.7MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3002.21ms. Allocated memory is still 86.0MB. Free memory was 39.1MB in the beginning and 51.2MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.97ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; [L255] CALL, EXPR base2flt(0, 0) VAL [unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [__retres4=0, e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L84] return (__retres4); VAL [\result=0, __retres4=0, e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=0] [L255] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L33] COND FALSE !(! m) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L61] COND TRUE 1 VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [e=0, m=16777216, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L80] m = m & ~ (1U << 24U) VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L81] EXPR e + 128 VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] [L81] (e + 128) << 24U VAL [e=0, m=0, unknown-#in~e-unknown=0, unknown-#in~m-unknown=16777216] - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 114 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 906 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 481 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 110 SizeOfPredicates, 2 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-23 01:51:24,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f62a17d-b54d-43f7-a353-9fcb44767eae/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)