./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:39:34,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:34,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:34,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:34,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:34,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:34,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:34,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:34,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:34,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:34,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:34,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:34,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:34,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:34,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:34,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:34,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:34,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:34,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:34,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:34,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:34,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:34,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:34,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:34,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:34,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:34,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:34,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:34,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:34,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:34,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:34,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:34,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:34,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:34,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:34,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:34,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:34,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:34,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:34,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:34,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:34,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:39:35,004 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:35,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:35,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:35,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:35,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:39:35,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:39:35,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:35,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:35,009 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:35,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:35,010 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:39:35,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:39:35,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:39:35,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:39:35,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:35,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:39:35,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:39:35,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:39:35,013 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:39:35,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:39:35,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:35,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:35,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:39:35,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:35,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:35,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:39:35,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:35,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:35,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:39:35,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:39:35,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:39:35,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:39:35,018 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:39:35,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:39:35,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:39:35,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-20 10:39:35,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:35,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:35,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:35,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:35,330 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:35,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-20 10:39:38,368 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:38,804 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:38,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-20 10:39:38,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/9c593ee1b/9444af96e06542ada021840af098bf4c/FLAGf20ec65c3 [2022-11-20 10:39:38,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/9c593ee1b/9444af96e06542ada021840af098bf4c [2022-11-20 10:39:38,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:38,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:38,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:38,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:38,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:38,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:38" (1/1) ... [2022-11-20 10:39:38,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294aabd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:38, skipping insertion in model container [2022-11-20 10:39:38,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:38" (1/1) ... [2022-11-20 10:39:38,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:38,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:39,229 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_c3f706a7-4297-4b94-820d-82fc0d7f8491/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-20 10:39:40,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:40,425 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:40,448 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_c3f706a7-4297-4b94-820d-82fc0d7f8491/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-20 10:39:40,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:40,851 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:40,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40 WrapperNode [2022-11-20 10:39:40,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:40,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:40,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:40,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:40,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:40,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:40,996 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1036 [2022-11-20 10:39:40,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:40,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:40,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:40,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:41,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:41,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:41,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:41,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:41,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (1/1) ... [2022-11-20 10:39:41,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:41,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:41,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-20 10:39:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-20 10:39:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:39:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-20 10:39:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:39:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:39:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:39:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:39:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:39:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:39:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-20 10:39:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-20 10:39:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-20 10:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-20 10:39:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-20 10:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-20 10:39:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-20 10:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 10:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 10:39:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-20 10:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-20 10:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-20 10:39:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-20 10:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:39:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-20 10:39:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-20 10:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 10:39:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 10:39:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-20 10:39:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-20 10:39:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 10:39:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 10:39:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:39:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-20 10:39:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-20 10:39:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-20 10:39:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-20 10:39:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 10:39:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 10:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-20 10:39:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-20 10:39:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-20 10:39:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-20 10:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-20 10:39:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-20 10:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:39:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-20 10:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-20 10:39:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-20 10:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-20 10:39:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-20 10:39:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-20 10:39:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:39:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:39:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 10:39:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 10:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:39:41,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:41,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:43,809 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:39:43,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:39:43,828 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:39:43,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:43 BoogieIcfgContainer [2022-11-20 10:39:43,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:39:43,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:39:43,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:39:43,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:39:43,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:39:38" (1/3) ... [2022-11-20 10:39:43,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee3d3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:43, skipping insertion in model container [2022-11-20 10:39:43,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:40" (2/3) ... [2022-11-20 10:39:43,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee3d3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:43, skipping insertion in model container [2022-11-20 10:39:43,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:43" (3/3) ... [2022-11-20 10:39:43,846 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-20 10:39:43,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:39:43,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-20 10:39:43,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:39:43,958 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;@1ad74b91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:39:43,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-20 10:39:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 265 states have (on average 1.4) internal successors, (371), 289 states have internal predecessors, (371), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-20 10:39:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 10:39:43,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:43,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:43,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:43,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:43,983 INFO L85 PathProgramCache]: Analyzing trace with hash -680319668, now seen corresponding path program 1 times [2022-11-20 10:39:43,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:43,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305552048] [2022-11-20 10:39:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:44,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:44,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305552048] [2022-11-20 10:39:44,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305552048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:44,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:44,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:39:44,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636223583] [2022-11-20 10:39:44,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:44,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:44,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:44,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:44,834 INFO L87 Difference]: Start difference. First operand has 388 states, 265 states have (on average 1.4) internal successors, (371), 289 states have internal predecessors, (371), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:46,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:46,001 INFO L93 Difference]: Finished difference Result 786 states and 1090 transitions. [2022-11-20 10:39:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:46,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-20 10:39:46,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:46,033 INFO L225 Difference]: With dead ends: 786 [2022-11-20 10:39:46,033 INFO L226 Difference]: Without dead ends: 395 [2022-11-20 10:39:46,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:39:46,051 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 107 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:46,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1460 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:39:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-11-20 10:39:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 382. [2022-11-20 10:39:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 262 states have (on average 1.3778625954198473) internal successors, (361), 286 states have internal predecessors, (361), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 512 transitions. [2022-11-20 10:39:46,152 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 512 transitions. Word has length 10 [2022-11-20 10:39:46,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:46,153 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 512 transitions. [2022-11-20 10:39:46,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 512 transitions. [2022-11-20 10:39:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:39:46,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:46,154 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:46,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:39:46,155 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:46,156 INFO L85 PathProgramCache]: Analyzing trace with hash -201002232, now seen corresponding path program 1 times [2022-11-20 10:39:46,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:46,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221400725] [2022-11-20 10:39:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:39:46,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:46,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221400725] [2022-11-20 10:39:46,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221400725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:46,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:46,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:39:46,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424633462] [2022-11-20 10:39:46,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:46,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:46,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:46,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:46,452 INFO L87 Difference]: Start difference. First operand 382 states and 512 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:47,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:47,407 INFO L93 Difference]: Finished difference Result 390 states and 522 transitions. [2022-11-20 10:39:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:47,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 10:39:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:47,411 INFO L225 Difference]: With dead ends: 390 [2022-11-20 10:39:47,411 INFO L226 Difference]: Without dead ends: 389 [2022-11-20 10:39:47,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:39:47,413 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 108 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:47,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1406 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:39:47,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-11-20 10:39:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 381. [2022-11-20 10:39:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 262 states have (on average 1.3740458015267176) internal successors, (360), 285 states have internal predecessors, (360), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 511 transitions. [2022-11-20 10:39:47,454 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 511 transitions. Word has length 14 [2022-11-20 10:39:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:47,454 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 511 transitions. [2022-11-20 10:39:47,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 511 transitions. [2022-11-20 10:39:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 10:39:47,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:47,456 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:47,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:39:47,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1936101629, now seen corresponding path program 1 times [2022-11-20 10:39:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:47,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470416508] [2022-11-20 10:39:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:47,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:47,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470416508] [2022-11-20 10:39:47,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470416508] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:47,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052325152] [2022-11-20 10:39:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:47,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:47,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:39:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:48,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:39:48,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:48,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:48,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052325152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:48,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:48,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-11-20 10:39:48,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8812165] [2022-11-20 10:39:48,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:48,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:39:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:48,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:39:48,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:39:48,403 INFO L87 Difference]: Start difference. First operand 381 states and 511 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:48,563 INFO L93 Difference]: Finished difference Result 386 states and 516 transitions. [2022-11-20 10:39:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:39:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-20 10:39:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:48,568 INFO L225 Difference]: With dead ends: 386 [2022-11-20 10:39:48,569 INFO L226 Difference]: Without dead ends: 385 [2022-11-20 10:39:48,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:39:48,577 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 355 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:48,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1290 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:39:48,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-11-20 10:39:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 377. [2022-11-20 10:39:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 259 states have (on average 1.3745173745173744) internal successors, (356), 281 states have internal predecessors, (356), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-11-20 10:39:48,610 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 15 [2022-11-20 10:39:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:48,611 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-11-20 10:39:48,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-11-20 10:39:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 10:39:48,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:48,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:48,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:48,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:48,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:48,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:48,837 INFO L85 PathProgramCache]: Analyzing trace with hash 108797102, now seen corresponding path program 1 times [2022-11-20 10:39:48,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:48,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538931176] [2022-11-20 10:39:48,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:48,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:49,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:49,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538931176] [2022-11-20 10:39:49,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538931176] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:49,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666073361] [2022-11-20 10:39:49,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:49,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:49,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:39:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:49,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:39:49,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:49,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:49,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666073361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:49,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:39:49,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-11-20 10:39:49,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109048081] [2022-11-20 10:39:49,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:49,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:39:49,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:39:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:39:49,551 INFO L87 Difference]: Start difference. First operand 377 states and 507 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-11-20 10:39:50,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:50,714 INFO L93 Difference]: Finished difference Result 766 states and 1028 transitions. [2022-11-20 10:39:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:39:50,714 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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 16 [2022-11-20 10:39:50,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:50,717 INFO L225 Difference]: With dead ends: 766 [2022-11-20 10:39:50,717 INFO L226 Difference]: Without dead ends: 398 [2022-11-20 10:39:50,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:39:50,719 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 138 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:50,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1792 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:39:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-20 10:39:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 385. [2022-11-20 10:39:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 267 states have (on average 1.3632958801498127) internal successors, (364), 289 states have internal predecessors, (364), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 515 transitions. [2022-11-20 10:39:50,750 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 515 transitions. Word has length 16 [2022-11-20 10:39:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:50,751 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 515 transitions. [2022-11-20 10:39:50,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-11-20 10:39:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 515 transitions. [2022-11-20 10:39:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 10:39:50,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:50,752 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:50,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:50,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:50,959 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:50,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:50,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1086554074, now seen corresponding path program 2 times [2022-11-20 10:39:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:50,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579625130] [2022-11-20 10:39:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:39:51,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:51,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579625130] [2022-11-20 10:39:51,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579625130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:51,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:51,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:39:51,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939950364] [2022-11-20 10:39:51,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:51,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:51,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:51,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:51,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:51,165 INFO L87 Difference]: Start difference. First operand 385 states and 515 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:52,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:52,134 INFO L93 Difference]: Finished difference Result 398 states and 530 transitions. [2022-11-20 10:39:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:52,135 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-20 10:39:52,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:52,138 INFO L225 Difference]: With dead ends: 398 [2022-11-20 10:39:52,138 INFO L226 Difference]: Without dead ends: 396 [2022-11-20 10:39:52,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:39:52,139 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 104 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:52,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1408 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:39:52,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-20 10:39:52,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 388. [2022-11-20 10:39:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 270 states have (on average 1.3592592592592592) internal successors, (367), 292 states have internal predecessors, (367), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 518 transitions. [2022-11-20 10:39:52,163 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 518 transitions. Word has length 24 [2022-11-20 10:39:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:52,164 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 518 transitions. [2022-11-20 10:39:52,164 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 518 transitions. [2022-11-20 10:39:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 10:39:52,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:52,166 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:52,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:39:52,166 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:52,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:52,167 INFO L85 PathProgramCache]: Analyzing trace with hash -812006046, now seen corresponding path program 1 times [2022-11-20 10:39:52,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:52,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402703482] [2022-11-20 10:39:52,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:52,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:52,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 10:39:52,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:52,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402703482] [2022-11-20 10:39:52,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402703482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:52,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590050809] [2022-11-20 10:39:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:52,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:52,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:52,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:52,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:39:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:52,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:39:52,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:39:52,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:39:53,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590050809] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:53,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:39:53,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-11-20 10:39:53,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170460553] [2022-11-20 10:39:53,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:53,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 10:39:53,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:53,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 10:39:53,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-20 10:39:53,085 INFO L87 Difference]: Start difference. First operand 388 states and 518 transitions. Second operand has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-11-20 10:39:54,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:54,635 INFO L93 Difference]: Finished difference Result 778 states and 1042 transitions. [2022-11-20 10:39:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 10:39:54,639 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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 28 [2022-11-20 10:39:54,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:54,642 INFO L225 Difference]: With dead ends: 778 [2022-11-20 10:39:54,642 INFO L226 Difference]: Without dead ends: 407 [2022-11-20 10:39:54,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-11-20 10:39:54,644 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 663 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:54,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 3091 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:39:54,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-20 10:39:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 399. [2022-11-20 10:39:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 283 states have (on average 1.332155477031802) internal successors, (377), 303 states have internal predecessors, (377), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-20 10:39:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 528 transitions. [2022-11-20 10:39:54,675 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 528 transitions. Word has length 28 [2022-11-20 10:39:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:54,675 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 528 transitions. [2022-11-20 10:39:54,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-11-20 10:39:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 528 transitions. [2022-11-20 10:39:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 10:39:54,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:54,679 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:54,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:54,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 10:39:54,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -462555872, now seen corresponding path program 1 times [2022-11-20 10:39:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:54,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823858631] [2022-11-20 10:39:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:39:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 10:39:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 10:39:55,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:55,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823858631] [2022-11-20 10:39:55,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823858631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:55,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:55,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:55,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810164221] [2022-11-20 10:39:55,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:55,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:55,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:55,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:55,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:39:55,227 INFO L87 Difference]: Start difference. First operand 399 states and 528 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:39:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:56,322 INFO L93 Difference]: Finished difference Result 708 states and 947 transitions. [2022-11-20 10:39:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:56,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2022-11-20 10:39:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:56,327 INFO L225 Difference]: With dead ends: 708 [2022-11-20 10:39:56,327 INFO L226 Difference]: Without dead ends: 704 [2022-11-20 10:39:56,328 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 [2022-11-20 10:39:56,328 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 570 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:56,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 1052 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:39:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-11-20 10:39:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 682. [2022-11-20 10:39:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 486 states have (on average 1.3477366255144032) internal successors, (655), 510 states have internal predecessors, (655), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-20 10:39:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 922 transitions. [2022-11-20 10:39:56,364 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 922 transitions. Word has length 58 [2022-11-20 10:39:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:56,365 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 922 transitions. [2022-11-20 10:39:56,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:39:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 922 transitions. [2022-11-20 10:39:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 10:39:56,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:56,367 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:56,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:39:56,368 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:56,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:56,368 INFO L85 PathProgramCache]: Analyzing trace with hash 143917888, now seen corresponding path program 1 times [2022-11-20 10:39:56,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:56,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522623711] [2022-11-20 10:39:56,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:56,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:39:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 10:39:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:39:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 10:39:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 10:39:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:39:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 10:39:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:56,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522623711] [2022-11-20 10:39:56,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522623711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:56,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:56,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:39:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892208219] [2022-11-20 10:39:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:56,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:56,794 INFO L87 Difference]: Start difference. First operand 682 states and 922 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:39:58,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:58,104 INFO L93 Difference]: Finished difference Result 1595 states and 2173 transitions. [2022-11-20 10:39:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:39:58,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2022-11-20 10:39:58,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:58,110 INFO L225 Difference]: With dead ends: 1595 [2022-11-20 10:39:58,110 INFO L226 Difference]: Without dead ends: 987 [2022-11-20 10:39:58,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:39:58,113 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 533 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:58,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1467 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:39:58,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-11-20 10:39:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 957. [2022-11-20 10:39:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 685 states have (on average 1.3518248175182481) internal successors, (926), 712 states have internal predecessors, (926), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-20 10:39:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1307 transitions. [2022-11-20 10:39:58,165 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1307 transitions. Word has length 84 [2022-11-20 10:39:58,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:58,166 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1307 transitions. [2022-11-20 10:39:58,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:39:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1307 transitions. [2022-11-20 10:39:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 10:39:58,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:58,168 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:58,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:39:58,169 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:39:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash 360158848, now seen corresponding path program 1 times [2022-11-20 10:39:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:58,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577675405] [2022-11-20 10:39:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:58,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:39:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 10:39:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:39:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 10:39:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 10:39:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 10:39:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 10:39:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:39:58,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:58,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577675405] [2022-11-20 10:39:58,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577675405] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:58,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306820361] [2022-11-20 10:39:58,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:58,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:58,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:39:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:59,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 10:39:59,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:39:59,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:39:59,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306820361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:59,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:39:59,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-11-20 10:39:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927944283] [2022-11-20 10:39:59,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:59,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 10:39:59,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:59,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 10:39:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:39:59,772 INFO L87 Difference]: Start difference. First operand 957 states and 1307 transitions. Second operand has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:01,217 INFO L93 Difference]: Finished difference Result 1917 states and 2624 transitions. [2022-11-20 10:40:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 10:40:01,218 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2022-11-20 10:40:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:01,226 INFO L225 Difference]: With dead ends: 1917 [2022-11-20 10:40:01,226 INFO L226 Difference]: Without dead ends: 993 [2022-11-20 10:40:01,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 190 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-11-20 10:40:01,233 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 162 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:01,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 3257 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:40:01,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-20 10:40:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 969. [2022-11-20 10:40:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 697 states have (on average 1.345767575322812) internal successors, (938), 724 states have internal predecessors, (938), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-20 10:40:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1319 transitions. [2022-11-20 10:40:01,309 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1319 transitions. Word has length 96 [2022-11-20 10:40:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:01,310 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1319 transitions. [2022-11-20 10:40:01,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1319 transitions. [2022-11-20 10:40:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 10:40:01,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:01,321 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:01,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:01,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:40:01,529 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:01,529 INFO L85 PathProgramCache]: Analyzing trace with hash -919173452, now seen corresponding path program 2 times [2022-11-20 10:40:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706649856] [2022-11-20 10:40:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:40:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 10:40:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:40:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 10:40:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-20 10:40:01,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:01,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706649856] [2022-11-20 10:40:01,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706649856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:01,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:01,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:40:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537022642] [2022-11-20 10:40:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:01,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:40:01,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:01,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:40:01,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:40:01,859 INFO L87 Difference]: Start difference. First operand 969 states and 1319 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:40:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:02,887 INFO L93 Difference]: Finished difference Result 1010 states and 1357 transitions. [2022-11-20 10:40:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:40:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 108 [2022-11-20 10:40:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:02,892 INFO L225 Difference]: With dead ends: 1010 [2022-11-20 10:40:02,892 INFO L226 Difference]: Without dead ends: 725 [2022-11-20 10:40:02,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:40:02,894 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 101 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:02,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1785 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:40:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-20 10:40:02,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 709. [2022-11-20 10:40:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 512 states have (on average 1.32421875) internal successors, (678), 534 states have internal predecessors, (678), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-20 10:40:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 945 transitions. [2022-11-20 10:40:02,931 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 945 transitions. Word has length 108 [2022-11-20 10:40:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:02,932 INFO L495 AbstractCegarLoop]: Abstraction has 709 states and 945 transitions. [2022-11-20 10:40:02,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:40:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 945 transitions. [2022-11-20 10:40:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 10:40:02,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:02,934 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:02,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:40:02,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:02,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash -250547932, now seen corresponding path program 1 times [2022-11-20 10:40:02,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:02,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482018711] [2022-11-20 10:40:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:40:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:40:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:40:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:40:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-20 10:40:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:03,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482018711] [2022-11-20 10:40:03,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482018711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:03,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:03,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:40:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746197181] [2022-11-20 10:40:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:03,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:40:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:03,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:40:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:03,404 INFO L87 Difference]: Start difference. First operand 709 states and 945 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:40:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:04,550 INFO L93 Difference]: Finished difference Result 1631 states and 2161 transitions. [2022-11-20 10:40:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:40:04,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 107 [2022-11-20 10:40:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:04,558 INFO L225 Difference]: With dead ends: 1631 [2022-11-20 10:40:04,558 INFO L226 Difference]: Without dead ends: 1013 [2022-11-20 10:40:04,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:40:04,561 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 323 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:04,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1445 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:40:04,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2022-11-20 10:40:04,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 983. [2022-11-20 10:40:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 700 states have (on average 1.2885714285714285) internal successors, (902), 723 states have internal predecessors, (902), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2022-11-20 10:40:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1280 transitions. [2022-11-20 10:40:04,646 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1280 transitions. Word has length 107 [2022-11-20 10:40:04,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:04,646 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1280 transitions. [2022-11-20 10:40:04,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:40:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1280 transitions. [2022-11-20 10:40:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 10:40:04,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:04,649 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:04,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:40:04,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:04,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1602626840, now seen corresponding path program 1 times [2022-11-20 10:40:04,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:04,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896473953] [2022-11-20 10:40:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:40:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:40:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:40:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 10:40:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-20 10:40:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-20 10:40:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 10:40:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 10:40:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-20 10:40:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-20 10:40:05,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:05,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896473953] [2022-11-20 10:40:05,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896473953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:05,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:05,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:40:05,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326074212] [2022-11-20 10:40:05,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:05,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:40:05,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:40:05,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:40:05,203 INFO L87 Difference]: Start difference. First operand 983 states and 1280 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:07,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:07,798 INFO L93 Difference]: Finished difference Result 1837 states and 2409 transitions. [2022-11-20 10:40:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:40:07,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2022-11-20 10:40:07,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:07,806 INFO L225 Difference]: With dead ends: 1837 [2022-11-20 10:40:07,806 INFO L226 Difference]: Without dead ends: 1425 [2022-11-20 10:40:07,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:40:07,809 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 1044 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:07,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 906 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 10:40:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2022-11-20 10:40:07,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1381. [2022-11-20 10:40:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 982 states have (on average 1.2973523421588595) internal successors, (1274), 1011 states have internal predecessors, (1274), 273 states have call successors, (273), 119 states have call predecessors, (273), 118 states have return successors, (268), 268 states have call predecessors, (268), 267 states have call successors, (268) [2022-11-20 10:40:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1815 transitions. [2022-11-20 10:40:07,904 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1815 transitions. Word has length 142 [2022-11-20 10:40:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:07,904 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1815 transitions. [2022-11-20 10:40:07,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1815 transitions. [2022-11-20 10:40:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 10:40:07,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:07,908 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:07,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:40:07,908 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:07,909 INFO L85 PathProgramCache]: Analyzing trace with hash 962525322, now seen corresponding path program 1 times [2022-11-20 10:40:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:07,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82736434] [2022-11-20 10:40:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:40:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:40:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:40:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 10:40:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-20 10:40:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 10:40:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-20 10:40:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 10:40:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-20 10:40:09,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:09,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82736434] [2022-11-20 10:40:09,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82736434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:09,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:09,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:40:09,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393692590] [2022-11-20 10:40:09,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:09,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:40:09,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:09,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:40:09,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:40:09,373 INFO L87 Difference]: Start difference. First operand 1381 states and 1815 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-20 10:40:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:13,387 INFO L93 Difference]: Finished difference Result 3559 states and 4757 transitions. [2022-11-20 10:40:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:40:13,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 143 [2022-11-20 10:40:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:13,399 INFO L225 Difference]: With dead ends: 3559 [2022-11-20 10:40:13,400 INFO L226 Difference]: Without dead ends: 2243 [2022-11-20 10:40:13,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:40:13,405 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 954 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:13,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 2942 Invalid, 2401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-20 10:40:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2022-11-20 10:40:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 1787. [2022-11-20 10:40:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1302 states have internal predecessors, (1650), 356 states have call successors, (356), 155 states have call predecessors, (356), 158 states have return successors, (373), 351 states have call predecessors, (373), 347 states have call successors, (373) [2022-11-20 10:40:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2379 transitions. [2022-11-20 10:40:13,554 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2379 transitions. Word has length 143 [2022-11-20 10:40:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:13,554 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2379 transitions. [2022-11-20 10:40:13,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-20 10:40:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2379 transitions. [2022-11-20 10:40:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 10:40:13,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:13,557 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:13,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:40:13,558 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash -692230746, now seen corresponding path program 1 times [2022-11-20 10:40:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:13,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836201210] [2022-11-20 10:40:13,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:13,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 10:40:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 10:40:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 10:40:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:40:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:40:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 10:40:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 10:40:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:40:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-20 10:40:14,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:14,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836201210] [2022-11-20 10:40:14,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836201210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:14,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:14,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:40:14,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146426810] [2022-11-20 10:40:14,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:14,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:40:14,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:40:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:14,309 INFO L87 Difference]: Start difference. First operand 1787 states and 2379 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:40:15,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:15,894 INFO L93 Difference]: Finished difference Result 4784 states and 6510 transitions. [2022-11-20 10:40:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:40:15,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 145 [2022-11-20 10:40:15,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:15,912 INFO L225 Difference]: With dead ends: 4784 [2022-11-20 10:40:15,913 INFO L226 Difference]: Without dead ends: 3097 [2022-11-20 10:40:15,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:40:15,920 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 699 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:15,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 876 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:40:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-11-20 10:40:16,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2705. [2022-11-20 10:40:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 1947 states have (on average 1.3405238828967643) internal successors, (2610), 2000 states have internal predecessors, (2610), 525 states have call successors, (525), 228 states have call predecessors, (525), 225 states have return successors, (552), 509 states have call predecessors, (552), 511 states have call successors, (552) [2022-11-20 10:40:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3687 transitions. [2022-11-20 10:40:16,180 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3687 transitions. Word has length 145 [2022-11-20 10:40:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:16,181 INFO L495 AbstractCegarLoop]: Abstraction has 2705 states and 3687 transitions. [2022-11-20 10:40:16,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:40:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3687 transitions. [2022-11-20 10:40:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-20 10:40:16,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:16,188 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:16,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:40:16,188 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:16,189 INFO L85 PathProgramCache]: Analyzing trace with hash -997079807, now seen corresponding path program 1 times [2022-11-20 10:40:16,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:16,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9638416] [2022-11-20 10:40:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:16,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:40:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:40:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:40:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 10:40:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 10:40:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 10:40:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 10:40:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:40:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:40:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-20 10:40:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 10:40:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:40:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-20 10:40:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 10:40:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-20 10:40:16,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:40:16,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9638416] [2022-11-20 10:40:16,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9638416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:16,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:16,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:40:16,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909910894] [2022-11-20 10:40:16,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:16,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:40:16,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:40:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:40:16,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:40:16,813 INFO L87 Difference]: Start difference. First operand 2705 states and 3687 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:18,937 INFO L93 Difference]: Finished difference Result 2957 states and 3980 transitions. [2022-11-20 10:40:18,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:40:18,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 162 [2022-11-20 10:40:18,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:18,946 INFO L225 Difference]: With dead ends: 2957 [2022-11-20 10:40:18,946 INFO L226 Difference]: Without dead ends: 1584 [2022-11-20 10:40:18,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:40:18,953 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 378 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:18,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 947 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 10:40:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2022-11-20 10:40:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1560. [2022-11-20 10:40:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1121 states have (on average 1.3077609277430866) internal successors, (1466), 1151 states have internal predecessors, (1466), 296 states have call successors, (296), 138 states have call predecessors, (296), 135 states have return successors, (298), 288 states have call predecessors, (298), 289 states have call successors, (298) [2022-11-20 10:40:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2060 transitions. [2022-11-20 10:40:19,105 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2060 transitions. Word has length 162 [2022-11-20 10:40:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:19,105 INFO L495 AbstractCegarLoop]: Abstraction has 1560 states and 2060 transitions. [2022-11-20 10:40:19,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:40:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2060 transitions. [2022-11-20 10:40:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-20 10:40:19,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:19,109 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:19,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:40:19,109 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-20 10:40:19,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:19,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1305873436, now seen corresponding path program 1 times [2022-11-20 10:40:19,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:40:19,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589274212] [2022-11-20 10:40:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:40:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:22,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:40:22,816 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:383) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:776) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:40:22,824 INFO L158 Benchmark]: Toolchain (without parser) took 43961.75ms. Allocated memory was 130.0MB in the beginning and 656.4MB in the end (delta: 526.4MB). Free memory was 72.0MB in the beginning and 459.5MB in the end (delta: -387.5MB). Peak memory consumption was 320.6MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,824 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:40:22,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1986.63ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 71.8MB in the beginning and 80.1MB in the end (delta: -8.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.99ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 70.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,825 INFO L158 Benchmark]: Boogie Preprocessor took 161.12ms. Allocated memory is still 159.4MB. Free memory was 70.3MB in the beginning and 109.7MB in the end (delta: -39.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,827 INFO L158 Benchmark]: RCFGBuilder took 2674.92ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 109.7MB in the beginning and 93.2MB in the end (delta: 16.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,828 INFO L158 Benchmark]: TraceAbstraction took 38986.87ms. Allocated memory was 216.0MB in the beginning and 656.4MB in the end (delta: 440.4MB). Free memory was 93.2MB in the beginning and 459.5MB in the end (delta: -366.2MB). Peak memory consumption was 254.4MB. Max. memory is 16.1GB. [2022-11-20 10:40:22,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1986.63ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 71.8MB in the beginning and 80.1MB in the end (delta: -8.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.99ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 70.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.12ms. Allocated memory is still 159.4MB. Free memory was 70.3MB in the beginning and 109.7MB in the end (delta: -39.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2674.92ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 109.7MB in the beginning and 93.2MB in the end (delta: 16.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * TraceAbstraction took 38986.87ms. Allocated memory was 216.0MB in the beginning and 656.4MB in the end (delta: 440.4MB). Free memory was 93.2MB in the beginning and 459.5MB in the end (delta: -366.2MB). Peak memory consumption was 254.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 10:40:22,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/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_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:40:25,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:40:25,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:40:25,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:40:25,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:40:25,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:40:25,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:40:25,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:40:25,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:40:25,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:40:25,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:40:25,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:40:25,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:40:25,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:40:25,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:40:25,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:40:25,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:40:25,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:40:25,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:40:25,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:40:25,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:40:25,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:40:25,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:40:25,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:40:25,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:40:25,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:40:25,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:40:25,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:40:25,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:40:25,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:40:25,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:40:25,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:40:25,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:40:25,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:40:25,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:40:25,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:40:25,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:40:25,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:40:25,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:40:25,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:40:25,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:40:25,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-11-20 10:40:25,492 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:40:25,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:40:25,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:40:25,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:40:25,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:40:25,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:40:25,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:40:25,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:40:25,496 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:40:25,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:40:25,496 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:40:25,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:40:25,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:40:25,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:40:25,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:40:25,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:40:25,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:40:25,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:40:25,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:40:25,499 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:40:25,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:40:25,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:40:25,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:40:25,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:40:25,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:40:25,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:40:25,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:40:25,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:40:25,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:40:25,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:40:25,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:40:25,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:40:25,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:40:25,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:40:25,502 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:40:25,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:40:25,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:40:25,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:40:25,503 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-20 10:40:25,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:40:25,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:40:25,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:40:25,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:40:25,930 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:40:25,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-20 10:40:28,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:40:29,506 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:40:29,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-20 10:40:29,530 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/f2d18e573/ef601a75c482400e955fe8dac51d07de/FLAG742b7bea6 [2022-11-20 10:40:29,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f706a7-4297-4b94-820d-82fc0d7f8491/bin/uautomizer-ug76WZFUDN/data/f2d18e573/ef601a75c482400e955fe8dac51d07de [2022-11-20 10:40:29,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:40:29,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:40:29,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:40:29,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:40:29,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:40:29,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:40:29" (1/1) ... [2022-11-20 10:40:29,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30564655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:40:29, skipping insertion in model container [2022-11-20 10:40:29,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:40:29" (1/1) ... [2022-11-20 10:40:29,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:40:29,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:40:29,971 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_c3f706a7-4297-4b94-820d-82fc0d7f8491/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-20 10:40:30,810 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:942) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:238) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2257) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:196) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:40:30,824 INFO L158 Benchmark]: Toolchain (without parser) took 1253.66ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 59.5MB in the end (delta: 3.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-20 10:40:30,825 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:40:30,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1251.20ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 59.5MB in the end (delta: 3.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-20 10:40:30,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1251.20ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 59.5MB in the end (delta: 3.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.