./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8 --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 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 --- 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-e04fb08 [2022-11-16 11:37:43,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:37:43,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:37:43,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:37:43,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:37:43,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:37:43,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:37:43,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:37:43,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:37:43,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:37:43,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:37:43,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:37:43,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:37:43,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:37:43,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:37:43,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:37:43,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:37:43,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:37:43,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:37:43,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:37:43,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:37:43,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:37:43,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:37:43,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:37:43,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:37:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:37:43,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:37:43,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:37:43,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:37:43,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:37:43,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:37:43,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:37:43,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:37:43,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:37:43,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:37:43,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:37:43,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:37:43,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:37:43,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:37:43,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:37:43,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:37:43,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:37:43,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:37:43,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:37:43,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:37:43,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:37:43,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:37:43,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:37:43,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:37:43,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:37:43,243 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:37:43,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:37:43,245 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:37:43,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:37:43,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:37:43,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:37:43,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:37:43,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:37:43,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:37:43,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:37:43,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:37:43,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:37:43,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:37:43,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:37:43,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:37:43,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:37:43,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:37:43,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:37:43,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:43,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:37:43,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:37:43,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:37:43,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:37:43,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:37:43,253 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:37:43,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:37:43,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:37:43,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 [2022-11-16 11:37:43,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:37:43,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:37:43,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:37:43,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:37:43,677 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:37:43,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2022-11-16 11:37:43,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/data/74a4a96df/1812fbccbfc644bd8ef5f4cca07f7a8f/FLAG5bc4d4dc7 [2022-11-16 11:37:44,515 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:37:44,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2022-11-16 11:37:44,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/data/74a4a96df/1812fbccbfc644bd8ef5f4cca07f7a8f/FLAG5bc4d4dc7 [2022-11-16 11:37:44,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/data/74a4a96df/1812fbccbfc644bd8ef5f4cca07f7a8f [2022-11-16 11:37:44,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:37:44,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:37:44,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:44,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:37:44,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:37:44,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:44" (1/1) ... [2022-11-16 11:37:44,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790ce3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:44, skipping insertion in model container [2022-11-16 11:37:44,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:44" (1/1) ... [2022-11-16 11:37:44,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:37:44,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:45,157 WARN L229 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_11438de1-b486-461a-91f6-070e19a6d1e3/sv-benchmarks/c/pthread-wmm/mix000.oepc.i[988,1001] [2022-11-16 11:37:45,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:45,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:45,578 WARN L229 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_11438de1-b486-461a-91f6-070e19a6d1e3/sv-benchmarks/c/pthread-wmm/mix000.oepc.i[988,1001] [2022-11-16 11:37:45,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:45,721 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:45,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45 WrapperNode [2022-11-16 11:37:45,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:45,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:45,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:45,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:45,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,827 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2022-11-16 11:37:45,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:45,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:37:45,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:37:45,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:37:45,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:37:45,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:37:45,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:37:45,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:37:45,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (1/1) ... [2022-11-16 11:37:45,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:45,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:45,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:37:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:37:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:37:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:37:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:37:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:37:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:37:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:37:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:37:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:37:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:46,037 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:37:46,210 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:46,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:46,795 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:47,192 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:47,193 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:37:47,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:47 BoogieIcfgContainer [2022-11-16 11:37:47,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:47,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:47,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:47,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:47,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:44" (1/3) ... [2022-11-16 11:37:47,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5dc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:47, skipping insertion in model container [2022-11-16 11:37:47,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:45" (2/3) ... [2022-11-16 11:37:47,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5dc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:47, skipping insertion in model container [2022-11-16 11:37:47,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:47" (3/3) ... [2022-11-16 11:37:47,214 INFO L112 eAbstractionObserver]: Analyzing ICFG mix000.oepc.i [2022-11-16 11:37:47,226 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:37:47,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:47,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 11:37:47,241 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:37:47,338 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:37:47,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 101 transitions, 212 flow [2022-11-16 11:37:47,500 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-11-16 11:37:47,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:37:47,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-11-16 11:37:47,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 101 transitions, 212 flow [2022-11-16 11:37:47,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 99 transitions, 204 flow [2022-11-16 11:37:47,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:37:47,547 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;@5952c47d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:37:47,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-16 11:37:47,574 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-16 11:37:47,575 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:37:47,582 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:47,583 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:47,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-16 11:37:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:47,593 INFO L85 PathProgramCache]: Analyzing trace with hash 775088550, now seen corresponding path program 1 times [2022-11-16 11:37:47,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:47,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158424198] [2022-11-16 11:37:47,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:48,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:48,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158424198] [2022-11-16 11:37:48,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158424198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:48,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:48,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:48,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60812954] [2022-11-16 11:37:48,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:48,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:48,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:48,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:48,400 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2022-11-16 11:37:48,404 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:48,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:48,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2022-11-16 11:37:48,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:48,688 INFO L130 PetriNetUnfolder]: 86/386 cut-off events. [2022-11-16 11:37:48,688 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:37:48,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 386 events. 86/386 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1832 event pairs, 43 based on Foata normal form. 20/363 useless extension candidates. Maximal degree in co-relation 516. Up to 84 conditions per place. [2022-11-16 11:37:48,701 INFO L137 encePairwiseOnDemand]: 92/101 looper letters, 21 selfloop transitions, 3 changer transitions 2/106 dead transitions. [2022-11-16 11:37:48,702 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 273 flow [2022-11-16 11:37:48,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2022-11-16 11:37:48,735 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9240924092409241 [2022-11-16 11:37:48,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2022-11-16 11:37:48,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2022-11-16 11:37:48,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:48,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2022-11-16 11:37:48,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:48,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:48,768 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:48,771 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 204 flow. Second operand 3 states and 280 transitions. [2022-11-16 11:37:48,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 273 flow [2022-11-16 11:37:48,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 106 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:48,789 INFO L231 Difference]: Finished difference. Result has 104 places, 96 transitions, 213 flow [2022-11-16 11:37:48,792 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=104, PETRI_TRANSITIONS=96} [2022-11-16 11:37:48,801 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 0 predicate places. [2022-11-16 11:37:48,802 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 96 transitions, 213 flow [2022-11-16 11:37:48,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:48,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:48,803 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:48,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:37:48,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-16 11:37:48,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1967751344, now seen corresponding path program 1 times [2022-11-16 11:37:48,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:48,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517671565] [2022-11-16 11:37:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:48,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:49,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:49,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517671565] [2022-11-16 11:37:49,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517671565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:49,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:49,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:49,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904283355] [2022-11-16 11:37:49,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:49,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:37:49,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:37:49,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:49,311 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2022-11-16 11:37:49,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 96 transitions, 213 flow. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:49,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2022-11-16 11:37:49,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:49,523 INFO L130 PetriNetUnfolder]: 77/362 cut-off events. [2022-11-16 11:37:49,523 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-16 11:37:49,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 362 events. 77/362 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1639 event pairs, 43 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 524. Up to 84 conditions per place. [2022-11-16 11:37:49,529 INFO L137 encePairwiseOnDemand]: 96/101 looper letters, 19 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2022-11-16 11:37:49,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 102 transitions, 267 flow [2022-11-16 11:37:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:37:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:37:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 352 transitions. [2022-11-16 11:37:49,534 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8712871287128713 [2022-11-16 11:37:49,535 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 352 transitions. [2022-11-16 11:37:49,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 352 transitions. [2022-11-16 11:37:49,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:49,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 352 transitions. [2022-11-16 11:37:49,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 88.0) internal successors, (352), 4 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,543 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,544 INFO L175 Difference]: Start difference. First operand has 104 places, 96 transitions, 213 flow. Second operand 4 states and 352 transitions. [2022-11-16 11:37:49,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 102 transitions, 267 flow [2022-11-16 11:37:49,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:37:49,550 INFO L231 Difference]: Finished difference. Result has 104 places, 94 transitions, 208 flow [2022-11-16 11:37:49,551 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=208, PETRI_PLACES=104, PETRI_TRANSITIONS=94} [2022-11-16 11:37:49,552 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, 0 predicate places. [2022-11-16 11:37:49,553 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 94 transitions, 208 flow [2022-11-16 11:37:49,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:49,555 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:49,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:37:49,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-16 11:37:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash 49292767, now seen corresponding path program 1 times [2022-11-16 11:37:49,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:49,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733343194] [2022-11-16 11:37:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:49,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:49,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:49,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733343194] [2022-11-16 11:37:49,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733343194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:49,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:49,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:49,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198700004] [2022-11-16 11:37:49,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:49,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:37:49,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:49,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:37:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:49,793 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2022-11-16 11:37:49,794 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 94 transitions, 208 flow. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:49,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:49,795 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2022-11-16 11:37:49,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:50,004 INFO L130 PetriNetUnfolder]: 73/385 cut-off events. [2022-11-16 11:37:50,004 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-11-16 11:37:50,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 385 events. 73/385 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1749 event pairs, 47 based on Foata normal form. 6/361 useless extension candidates. Maximal degree in co-relation 531. Up to 84 conditions per place. [2022-11-16 11:37:50,007 INFO L137 encePairwiseOnDemand]: 96/101 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2022-11-16 11:37:50,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 100 transitions, 258 flow [2022-11-16 11:37:50,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:37:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:37:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 350 transitions. [2022-11-16 11:37:50,012 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8663366336633663 [2022-11-16 11:37:50,013 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 350 transitions. [2022-11-16 11:37:50,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 350 transitions. [2022-11-16 11:37:50,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:50,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 350 transitions. [2022-11-16 11:37:50,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:50,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:50,020 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:50,020 INFO L175 Difference]: Start difference. First operand has 104 places, 94 transitions, 208 flow. Second operand 4 states and 350 transitions. [2022-11-16 11:37:50,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 100 transitions, 258 flow [2022-11-16 11:37:50,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 100 transitions, 251 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 11:37:50,025 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2022-11-16 11:37:50,026 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2022-11-16 11:37:50,029 INFO L288 CegarLoopForPetriNet]: 104 programPoint places, -2 predicate places. [2022-11-16 11:37:50,030 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2022-11-16 11:37:50,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:50,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-16 11:37:50,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-16 11:37:50,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-16 11:37:50,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-16 11:37:50,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-11-16 11:37:50,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-16 11:37:50,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-16 11:37:50,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-16 11:37:50,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-16 11:37:50,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-16 11:37:50,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:37:50,046 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 11:37:50,054 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:37:50,055 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:37:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:37:50 BasicIcfg [2022-11-16 11:37:50,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:37:50,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:37:50,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:37:50,065 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:37:50,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:47" (3/4) ... [2022-11-16 11:37:50,071 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:37:50,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-16 11:37:50,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-16 11:37:50,086 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-16 11:37:50,087 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:37:50,087 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:37:50,088 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:37:50,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:37:50,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:37:50,159 INFO L158 Benchmark]: Toolchain (without parser) took 5382.41ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 85.2MB in the beginning and 135.5MB in the end (delta: -50.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,160 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:37:50,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.70ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 86.5MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.81ms. Allocated memory is still 125.8MB. Free memory was 86.5MB in the beginning and 83.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,162 INFO L158 Benchmark]: Boogie Preprocessor took 74.07ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,162 INFO L158 Benchmark]: RCFGBuilder took 1285.16ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 81.8MB in the beginning and 149.6MB in the end (delta: -67.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,163 INFO L158 Benchmark]: TraceAbstraction took 2860.61ms. Allocated memory is still 178.3MB. Free memory was 149.6MB in the beginning and 138.6MB in the end (delta: 10.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,163 INFO L158 Benchmark]: Witness Printer took 93.93ms. Allocated memory is still 178.3MB. Free memory was 138.6MB in the beginning and 135.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:50,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.70ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 86.5MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.81ms. Allocated memory is still 125.8MB. Free memory was 86.5MB in the beginning and 83.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.07ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1285.16ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 81.8MB in the beginning and 149.6MB in the end (delta: -67.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2860.61ms. Allocated memory is still 178.3MB. Free memory was 149.6MB in the beginning and 138.6MB in the end (delta: 10.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Witness Printer took 93.93ms. Allocated memory is still 178.3MB. Free memory was 138.6MB in the beginning and 135.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 124 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 5 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:37:50,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11438de1-b486-461a-91f6-070e19a6d1e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE