./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/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_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/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 32bit --witnessprinter.graph.data.programhash 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d --- 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 19:17:43,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:17:43,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:17:43,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:17:43,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:17:43,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:17:43,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:17:43,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:17:43,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:17:43,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:17:43,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:17:43,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:17:43,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:17:43,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:17:43,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:17:43,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:17:43,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:17:43,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:17:43,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:17:43,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:17:43,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:17:43,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:17:43,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:17:43,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:17:43,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:17:43,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:17:43,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:17:43,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:17:43,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:17:43,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:17:43,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:17:43,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:17:43,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:17:43,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:17:43,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:17:43,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:17:43,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:17:43,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:17:43,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:17:43,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:17:43,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:17:43,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:17:43,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:17:43,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:17:43,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:17:43,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:17:43,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:17:43,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:17:43,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:17:43,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:17:43,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:17:43,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:17:43,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:17:43,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:17:43,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:17:43,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:17:43,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:17:43,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:17:43,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:17:43,848 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:17:43,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:17:43,849 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:17:43,849 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_916bfaee-5906-4f56-b25e-0a89d897aa1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d [2022-12-13 19:17:44,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:17:44,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:17:44,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:17:44,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:17:44,058 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:17:44,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-12-13 19:17:46,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:17:46,877 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:17:46,877 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-12-13 19:17:46,881 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/data/19f36956b/bd77a77b3b4945ea80d2cf09a7bbc233/FLAGdab4ae59b [2022-12-13 19:17:46,893 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/data/19f36956b/bd77a77b3b4945ea80d2cf09a7bbc233 [2022-12-13 19:17:46,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:17:46,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:17:46,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:17:46,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:17:46,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:17:46,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:17:46" (1/1) ... [2022-12-13 19:17:46,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fb69ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:46, skipping insertion in model container [2022-12-13 19:17:46,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:17:46" (1/1) ... [2022-12-13 19:17:46,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:17:46,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:17:47,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2022-12-13 19:17:47,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:17:47,046 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:17:47,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2022-12-13 19:17:47,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:17:47,071 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:17:47,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47 WrapperNode [2022-12-13 19:17:47,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:17:47,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:17:47,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:17:47,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:17:47,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,097 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-13 19:17:47,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:17:47,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:17:47,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:17:47,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:17:47,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:17:47,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:17:47,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:17:47,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:17:47,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (1/1) ... [2022-12-13 19:17:47,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:17:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:17:47,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:17:47,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:17:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:17:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:17:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:17:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:17:47,237 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:17:47,239 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:17:47,343 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:17:47,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:17:47,348 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:17:47,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:17:47 BoogieIcfgContainer [2022-12-13 19:17:47,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:17:47,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:17:47,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:17:47,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:17:47,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:17:46" (1/3) ... [2022-12-13 19:17:47,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd2ef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:17:47, skipping insertion in model container [2022-12-13 19:17:47,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:17:47" (2/3) ... [2022-12-13 19:17:47,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd2ef4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:17:47, skipping insertion in model container [2022-12-13 19:17:47,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:17:47" (3/3) ... [2022-12-13 19:17:47,356 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark47_linear.i [2022-12-13 19:17:47,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:17:47,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 19:17:47,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:17:47,418 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;@2fe842d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:17:47,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 19:17:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:17:47,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:17:47,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:17:47,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 19:17:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:17:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2022-12-13 19:17:47,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:17:47,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957200631] [2022-12-13 19:17:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:17:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:17:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:47,587 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 19:17:47,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:17:47,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957200631] [2022-12-13 19:17:47,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957200631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:17:47,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:17:47,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:17:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794725501] [2022-12-13 19:17:47,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:17:47,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:17:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:17:47,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:17:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:17:47,629 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:17:47,673 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2022-12-13 19:17:47,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:17:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 19:17:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:17:47,683 INFO L225 Difference]: With dead ends: 46 [2022-12-13 19:17:47,683 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 19:17:47,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:17:47,688 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 29 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:17:47,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 23 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:17:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 19:17:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 19:17:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-12-13 19:17:47,711 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2022-12-13 19:17:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:17:47,711 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-12-13 19:17:47,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-13 19:17:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 19:17:47,712 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:17:47,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:17:47,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:17:47,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 19:17:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:17:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2022-12-13 19:17:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:17:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922531330] [2022-12-13 19:17:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:17:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:17:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:47,747 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 19:17:47,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:17:47,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922531330] [2022-12-13 19:17:47,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922531330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:17:47,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:17:47,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:17:47,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000616357] [2022-12-13 19:17:47,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:17:47,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:17:47,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:17:47,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:17:47,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:17:47,750 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:17:47,769 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-12-13 19:17:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:17:47,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 19:17:47,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:17:47,771 INFO L225 Difference]: With dead ends: 26 [2022-12-13 19:17:47,771 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 19:17:47,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:17:47,773 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:17:47,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:17:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 19:17:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 19:17:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5) internal successors, (27), 24 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-12-13 19:17:47,778 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 7 [2022-12-13 19:17:47,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:17:47,778 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-12-13 19:17:47,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:17:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-13 19:17:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 19:17:47,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:17:47,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:17:47,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:17:47,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 19:17:47,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:17:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1807034830, now seen corresponding path program 1 times [2022-12-13 19:17:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:17:47,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717385276] [2022-12-13 19:17:47,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:17:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:17:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:17:47,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:17:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:17:47,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:17:47,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:17:47,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 19:17:47,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 19:17:47,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 19:17:47,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 19:17:47,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-13 19:17:47,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-13 19:17:47,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 19:17:47,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 19:17:47,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 19:17:47,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 19:17:47,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:17:47,822 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 19:17:47,824 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:17:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:17:47 BoogieIcfgContainer [2022-12-13 19:17:47,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:17:47,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:17:47,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:17:47,836 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:17:47,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:17:47" (3/4) ... [2022-12-13 19:17:47,838 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 19:17:47,860 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916bfaee-5906-4f56-b25e-0a89d897aa1a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:17:47,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:17:47,861 INFO L158 Benchmark]: Toolchain (without parser) took 963.52ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 94.3MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:17:47,861 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:17:47,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.86ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 78.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:17:47,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.35ms. Allocated memory is still 125.8MB. Free memory was 78.6MB in the beginning and 77.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:17:47,862 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:17:47,862 INFO L158 Benchmark]: RCFGBuilder took 230.82ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 65.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:17:47,862 INFO L158 Benchmark]: TraceAbstraction took 483.75ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 95.8MB in the end (delta: -31.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-12-13 19:17:47,863 INFO L158 Benchmark]: Witness Printer took 24.64ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:17:47,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.86ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 78.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.35ms. Allocated memory is still 125.8MB. Free memory was 78.6MB in the beginning and 77.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.82ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 65.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 483.75ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 95.8MB in the end (delta: -31.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 24.64ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.5MB). 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x