./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c3ce8348995b831aa1433d89fb0ec380ad3ea35819fcc75e231cc181816b768 --- 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-2329fc7 [2022-12-13 22:37:18,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:37:18,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:37:18,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:37:18,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:37:18,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:37:18,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:37:18,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:37:18,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:37:18,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:37:18,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:37:18,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:37:18,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:37:18,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:37:18,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:37:18,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:37:18,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:37:18,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:37:18,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:37:18,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:37:18,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:37:18,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:37:18,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:37:18,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:37:18,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:37:18,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:37:18,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:37:18,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:37:18,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:37:18,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:37:18,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:37:18,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:37:18,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:37:18,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:37:18,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:37:18,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:37:18,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:37:18,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:37:18,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:37:18,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:37:18,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:37:18,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:37:18,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:37:18,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:37:18,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:37:18,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:37:18,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:37:18,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:37:18,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:37:18,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:37:18,670 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:37:18,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:37:18,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:37:18,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:37:18,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:37:18,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:37:18,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:37:18,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:18,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:37:18,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:37:18,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:37:18,673 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:37:18,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:37:18,673 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:37:18,673 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3ce8348995b831aa1433d89fb0ec380ad3ea35819fcc75e231cc181816b768 [2022-12-13 22:37:18,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:37:18,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:37:18,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:37:18,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:37:18,856 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:37:18,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:21,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:37:21,658 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:37:21,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:21,671 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/0552b2a8c/f9b0d918ac5341818835f95bb7e5d0e9/FLAG329f3b36f [2022-12-13 22:37:21,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/0552b2a8c/f9b0d918ac5341818835f95bb7e5d0e9 [2022-12-13 22:37:21,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:37:22,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:37:22,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:22,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:37:22,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:37:22,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:21" (1/1) ... [2022-12-13 22:37:22,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46935181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22, skipping insertion in model container [2022-12-13 22:37:22,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:21" (1/1) ... [2022-12-13 22:37:22,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:37:22,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:37:22,292 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:37:22,587 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:37:22,591 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:22,592 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:22,594 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:22,594 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:22,613 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:37:22,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:22,622 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:37:22,636 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:37:22,668 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:37:22,669 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:22,670 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:22,672 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:22,672 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:22,676 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:37:22,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:22,778 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:37:22,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22 WrapperNode [2022-12-13 22:37:22,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:22,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:22,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:37:22,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:37:22,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,818 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-13 22:37:22,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:22,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:37:22,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:37:22,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:37:22,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:37:22,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:37:22,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:37:22,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:37:22,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (1/1) ... [2022-12-13 22:37:22,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:37:22,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:37:22,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:37:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:37:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:37:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:37:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:37:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:37:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:37:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:37:23,011 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:37:23,014 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:37:23,158 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:37:23,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:37:23,164 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:37:23,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:23 BoogieIcfgContainer [2022-12-13 22:37:23,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:37:23,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:37:23,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:37:23,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:37:23,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:37:21" (1/3) ... [2022-12-13 22:37:23,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35d569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:23, skipping insertion in model container [2022-12-13 22:37:23,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:22" (2/3) ... [2022-12-13 22:37:23,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35d569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:23, skipping insertion in model container [2022-12-13 22:37:23,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:23" (3/3) ... [2022-12-13 22:37:23,175 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:23,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:37:23,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:37:23,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:37:23,248 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;@35e31c98, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:37:23,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:37:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 22:37:23,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:37:23,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:23,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:23,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:37:23,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:23,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948780175] [2022-12-13 22:37:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:23,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:37:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:37:23,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:23,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948780175] [2022-12-13 22:37:23,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948780175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:23,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:23,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:37:23,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942088611] [2022-12-13 22:37:23,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:23,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:23,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:23,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:23,493 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-13 22:37:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:23,516 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-13 22:37:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:23,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-12-13 22:37:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:23,522 INFO L225 Difference]: With dead ends: 39 [2022-12-13 22:37:23,523 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:37:23,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:23,527 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:23,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:37:23,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:37:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:37:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-12-13 22:37:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 22:37:23,557 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 22:37:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:23,557 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 22:37:23,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-13 22:37:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 22:37:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 22:37:23,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:23,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:23,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:37:23,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:23,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:23,559 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-13 22:37:23,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:23,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151617020] [2022-12-13 22:37:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:23,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:37:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:37:23,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:23,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151617020] [2022-12-13 22:37:23,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151617020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:23,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:23,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945067934] [2022-12-13 22:37:23,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:23,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:23,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:23,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:23,672 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:37:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:23,679 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-13 22:37:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:23,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 22:37:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:23,680 INFO L225 Difference]: With dead ends: 16 [2022-12-13 22:37:23,680 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:37:23,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:23,682 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:23,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:37:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:37:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:37:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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) [2022-12-13 22:37:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 22:37:23,684 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 22:37:23,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:23,685 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 22:37:23,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:37:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 22:37:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:37:23,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:23,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:23,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:37:23,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:23,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:23,686 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 22:37:23,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:23,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797576259] [2022-12-13 22:37:23,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:23,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:37:23,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:37:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:37:23,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:37:23,734 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:37:23,735 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:37:23,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:37:23,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:37:23,739 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:37:23,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:37:23,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:37:23 BoogieIcfgContainer [2022-12-13 22:37:23,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:37:23,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:37:23,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:37:23,761 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:37:23,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:23" (3/4) ... [2022-12-13 22:37:23,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:37:23,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:37:23,765 INFO L158 Benchmark]: Toolchain (without parser) took 1763.51ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 84.8MB in the beginning and 106.8MB in the end (delta: -22.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,765 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 88.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:37:23,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 775.26ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 84.8MB in the beginning and 113.4MB in the end (delta: -28.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.33ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 110.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,766 INFO L158 Benchmark]: Boogie Preprocessor took 19.51ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 108.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,766 INFO L158 Benchmark]: RCFGBuilder took 327.29ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 94.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,766 INFO L158 Benchmark]: TraceAbstraction took 591.55ms. Allocated memory is still 169.9MB. Free memory was 94.6MB in the beginning and 106.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:37:23,767 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 169.9MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:23,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 88.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 775.26ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 84.8MB in the beginning and 113.4MB in the end (delta: -28.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.33ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 110.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.51ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 108.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.29ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 94.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 591.55ms. Allocated memory is still 169.9MB. Free memory was 94.6MB in the beginning and 106.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 169.9MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_add_04_bad() [L1552] int data; [L1553] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2147483647, rand()=1, rand()=65536, rand()=4, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1561] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 22:37:23,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c3ce8348995b831aa1433d89fb0ec380ad3ea35819fcc75e231cc181816b768 --- 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-2329fc7 [2022-12-13 22:37:25,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:37:25,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:37:25,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:37:25,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:37:25,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:37:25,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:37:25,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:37:25,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:37:25,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:37:25,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:37:25,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:37:25,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:37:25,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:37:25,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:37:25,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:37:25,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:37:25,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:37:25,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:37:25,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:37:25,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:37:25,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:37:25,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:37:25,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:37:25,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:37:25,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:37:25,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:37:25,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:37:25,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:37:25,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:37:25,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:37:25,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:37:25,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:37:25,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:37:25,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:37:25,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:37:25,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:37:25,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:37:25,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:37:25,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:37:25,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:37:25,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 22:37:25,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:37:25,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:37:25,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:37:25,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:37:25,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:37:25,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:37:25,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:37:25,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:37:25,561 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:37:25,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:37:25,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:37:25,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:37:25,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:37:25,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:37:25,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:37:25,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:37:25,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:37:25,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:37:25,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:37:25,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:37:25,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:25,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:37:25,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:37:25,566 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:37:25,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:37:25,566 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:37:25,566 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:37:25,566 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3ce8348995b831aa1433d89fb0ec380ad3ea35819fcc75e231cc181816b768 [2022-12-13 22:37:25,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:37:25,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:37:25,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:37:25,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:37:25,823 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:37:25,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:28,365 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:37:28,610 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:37:28,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:28,624 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/8446b253d/eaad3ac5899e4606ae328c89b7444b29/FLAGb928d80a3 [2022-12-13 22:37:28,922 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/data/8446b253d/eaad3ac5899e4606ae328c89b7444b29 [2022-12-13 22:37:28,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:37:28,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:37:28,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:28,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:37:28,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:37:28,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:28" (1/1) ... [2022-12-13 22:37:28,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bfc884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:28, skipping insertion in model container [2022-12-13 22:37:28,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:28" (1/1) ... [2022-12-13 22:37:28,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:37:28,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:37:29,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:37:29,527 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:37:29,531 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:29,532 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:29,534 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:29,534 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:29,554 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:37:29,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:29,568 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:37:29,583 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:37:29,633 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:37:29,634 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:29,635 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:37:29,637 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:29,638 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:37:29,644 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:37:29,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:29,742 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:37:29,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29 WrapperNode [2022-12-13 22:37:29,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:29,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:29,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:37:29,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:37:29,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,780 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-13 22:37:29,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:29,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:37:29,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:37:29,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:37:29,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:37:29,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:37:29,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:37:29,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:37:29,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (1/1) ... [2022-12-13 22:37:29,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:37:29,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:37:29,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:37:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:37:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:37:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:37:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:37:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:37:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:37:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:37:29,969 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:37:29,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:37:30,064 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:37:30,068 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:37:30,068 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:37:30,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:30 BoogieIcfgContainer [2022-12-13 22:37:30,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:37:30,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:37:30,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:37:30,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:37:30,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:37:28" (1/3) ... [2022-12-13 22:37:30,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db546dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:30, skipping insertion in model container [2022-12-13 22:37:30,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:29" (2/3) ... [2022-12-13 22:37:30,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db546dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:30, skipping insertion in model container [2022-12-13 22:37:30,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:30" (3/3) ... [2022-12-13 22:37:30,076 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_04_bad.i [2022-12-13 22:37:30,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:37:30,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:37:30,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:37:30,132 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;@2ea21e17, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:37:30,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:37:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 22:37:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:37:30,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:30,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:30,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:30,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:37:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:37:30,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108837347] [2022-12-13 22:37:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:30,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:30,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:37:30,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:37:30,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 22:37:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:30,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 22:37:30,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:37:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:37:30,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:37:30,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:37:30,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108837347] [2022-12-13 22:37:30,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108837347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:30,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:30,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:37:30,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001617537] [2022-12-13 22:37:30,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:37:30,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:37:30,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:37:30,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:37:30,325 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-13 22:37:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:30,339 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-13 22:37:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:37:30,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-13 22:37:30,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:30,344 INFO L225 Difference]: With dead ends: 23 [2022-12-13 22:37:30,345 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:37:30,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:37:30,349 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:30,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:37:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:37:30,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:37:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2022-12-13 22:37:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 22:37:30,373 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-13 22:37:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:30,373 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 22:37:30,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-13 22:37:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 22:37:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:37:30,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:30,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:30,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:37:30,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:30,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:30,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-13 22:37:30,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:37:30,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216056963] [2022-12-13 22:37:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:30,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:30,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:37:30,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:37:30,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 22:37:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:30,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:37:30,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:37:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:37:30,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:37:30,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:37:30,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216056963] [2022-12-13 22:37:30,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216056963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:30,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:30,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:30,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90954459] [2022-12-13 22:37:30,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:30,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:30,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:37:30,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:30,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:30,738 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:37:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:37:30,744 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 22:37:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:30,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 22:37:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:37:30,745 INFO L225 Difference]: With dead ends: 19 [2022-12-13 22:37:30,745 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:37:30,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:30,747 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:37:30,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:37:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:37:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:37:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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) [2022-12-13 22:37:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 22:37:30,751 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-13 22:37:30,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:37:30,751 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 22:37:30,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:37:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 22:37:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:37:30,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:37:30,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:30,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 22:37:30,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:30,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:37:30,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 22:37:30,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:37:30,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751413859] [2022-12-13 22:37:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:30,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:30,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:37:30,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:37:30,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 22:37:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:37:31,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:37:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:37:31,146 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 22:37:31,146 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:37:31,147 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:37:31,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:37:31,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 22:37:31,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:37:31,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:37:31,373 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:37:31,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:37:31 BoogieIcfgContainer [2022-12-13 22:37:31,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:37:31,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:37:31,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:37:31,420 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:37:31,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:30" (3/4) ... [2022-12-13 22:37:31,421 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 22:37:31,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:37:31,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:37:31,457 INFO L158 Benchmark]: Toolchain (without parser) took 2531.66ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 25.8MB in the end (delta: 20.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,457 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:37:31,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.07ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 31.0MB in the end (delta: 15.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 71.3MB. Free memory was 31.0MB in the beginning and 27.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,458 INFO L158 Benchmark]: Boogie Preprocessor took 24.22ms. Allocated memory is still 71.3MB. Free memory was 27.7MB in the beginning and 44.6MB in the end (delta: -16.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,459 INFO L158 Benchmark]: RCFGBuilder took 264.65ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 31.3MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,459 INFO L158 Benchmark]: TraceAbstraction took 1347.79ms. Allocated memory is still 71.3MB. Free memory was 30.6MB in the beginning and 28.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,459 INFO L158 Benchmark]: Witness Printer took 36.62ms. Allocated memory is still 71.3MB. Free memory was 28.3MB in the beginning and 25.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:31,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.07ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 31.0MB in the end (delta: 15.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 71.3MB. Free memory was 31.0MB in the beginning and 27.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.22ms. Allocated memory is still 71.3MB. Free memory was 27.7MB in the beginning and 44.6MB in the end (delta: -16.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * RCFGBuilder took 264.65ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 31.3MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1347.79ms. Allocated memory is still 71.3MB. Free memory was 30.6MB in the beginning and 28.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 36.62ms. Allocated memory is still 71.3MB. Free memory was 28.3MB in the beginning and 25.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_add_04_bad() [L1552] int data; [L1553] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32767, rand()=1, rand()=32767, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1561] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 22:37:31,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04dbb15-673d-429e-a0d1-8e7d5850c7e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)